J. ORTEGA, J.A. PEÑA, S. MATOS. Excess molar enthalpies of methyl alkanoates+n-nonane at 298.15 K. Thermochimica Acta, 160: 337-342 (1990).

J. FERNANDEZ, J.L. LEGIDO, L. PIAS, M.I.PAZ-ANDRADE, J. ORTEGA. Analysis of thermodynamic properties of n-alkanol+n-alkane mixtures using the Nitta-Chao group contribution model. Fluid Phase Equilibria, 55: 293-308 (1990).

J. ORTEGA, J.L.LEGIDO, M.I.PAZ-ANDRADE, J. FERNANDEZ. Analysis of excess enthalpies of ethyl formate+n-alkanes or n-alkanols with two group contribution models. Fluid Phase Equilibria, 56: 219-234 (1990).

J.ORTEGA, P.SUSIAL, C. DE ALFONSO. Measurements and prediction of VLE of methyl propanoate/ethanol, /propan-1-ol at 114.66 and 127.99 kPa. Journal of Chemical Engineering of Japan, 23(3): 349-353 (1990).

J. ORTEGA, P. SUSIAL, C. DE ALFONSO. Isobaric vapor-liquid equilibrium of methyl butanoate with ethanol and 1-propanol binary systems. Journal of Chemical and Engineering Data, 35: 216-219 (1990).

J. ORTEGA, P. SUSIAL. Vapor-liquid equilibrium measurements at 101.32 kPa for binary mixtures of methyl acetate+ethanol or 1-propanol. Journal of Chemical and Engineering Data, 35: 350-352 (1990).

T. LORENZANA, J.L. LEGIDO, E.JIMENEZ, M.I.PAZ-ANDRADE, J. FERNANDEZ, L. PIAS, J. ORTEGA. Thermodynamic properties of (a propyl ester+an n-alkane) at 298.15 K. II.- {xC3H7CO2C3H7+(1-x)CmH2m+2(m=6 to 10)}. Journal of Chemical Thermodynamics, 22(3): 263-268 (1990).

J. ORTEGA, P. SUSIAL. VLE at 114.66 and 127.99 kPa for the systems Methyl acetate+ethanol and methyl acetate+propan-1-ol. Measurements and prediction. Journal of Chemical Engineering of Japan. 23(5): 621-626 (1990).

J. ORTEGA, S. MATOS, M.V. GARCIA. Analysis of excess molar volumes of binary mixtures of toluene with the hexanol isomers at 298.15 K. Thermochimica Acta, 168: 127-134 (1990).

J. ORTEGA, S. MATOS, J.L. LEGIDO, G. TARDAJOS. Analysis of volumes of mixing for propyl and butyl formate with n-alkanes in terms of the Nitta model. Journal of Solution Chemistry, 19(11): 1063-1071 (1990).

J. ORTEGA, S. MATOS, J.A. PEÑA. Enthalpies of mixing at 298.15 K of a methyl alkanoate (from acetate to pentanoate) with n-alkanes (n-tridecane and n-pentadecane). Thermochimica Acta, 168: 121-126 (1990).

J. ORTEGA. Measurements of excess enthalpies of {a methyl n-alkanoate (from n-hexanoate to n-pentadecanoate)+n-pentadecane} at 298.15 K. Journal of Chemical Thermodynamics, 22: 1165-1170 (1990).

J. ORTEGA, S. MATOS, E. PEREZ. Volumetric behaviour of binary systems of cyclohexane with the hexanol isomers at 298.15 K. Thermochimica Acta, 180: 1-8 (1991).

J. ORTEGA. Consideraciones sobre la investigación científica. Aguayro 192: 27 (1191).Revista Caja Ahorros de Canarias.

J. ORTEGA, P. SUSIAL. Isobaric vapor-liquid equilibria for binary systems composed of methyl butanoate with ehtanol and propan-1-ol at 114.66 and 127.99 kPa. Canadian Journal of Chemical Engineering, 69: 394-397 (1991).

J. ORTEGA, J.L. LEGIDO, J. FERNANDEZ, L. PIAS, M.I.PAZ-ANDRADE. Measurements and analysis of excess enthalpies of ester+n-alkane using the UNIFAC model. Berichte der Bunsen-Gesellschaft für Physikalische Chemie 95(2): 128-135 (1991).

J. ORTEGA. HE{xCH3(CH2)v-1CO2CH3(v=5 or 6 or.... 14)+(1-x)CH3(CH2)11CH3} at 298.15 K. Journal of Chemical Thermodynamics, 23: 327-331 (1991).

J. ORTEGA, P. SUSIAL. Vapor-liquid equilibria of mixtures of methyl butanoate+ propan-2-ol at 74.66, 101.32 and 127.99 kPa. Berichte der Bunsen-Gesellschaft für Physikalische Chemie, 95: 1214 -1219(1991).

B. GARCIA, M.J. MIRANDA, J.M. LEAL, J. ORTEGA, S. MATOS. Densities and viscosities of mixing for the binary system of methyl benzoate with n-nonane at different temperatures. Thermochimica Acta, 186: 285-292 (1991).

J. ORTEGA. Excess enthalpies of (a methyl alkanoate+n-nonane or n-undecane) at the temperature 298.15 K. Journal of Chemical Thermodynamics, 23: 1057-1061 (1991).

J. ORTEGA, E. GONZALEZ, S. MATOS, J.L. LEGIDO. Thermodynamic properties of binary mixtures of (a methyl esters+n-alkane) I.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x) CH3(CH2)6CH3}. Journal of Chemical Thermodynamics, 24: 15-22 (1992).

J. ORTEGA, S. MATOS, J.A. PeÑA. Experimental and predicted enthalpies of mixing for several methyl n-alkanoates with n-pentane at 298.15 K. Application of the UNIFAC model. Thermochimica Acta, 195: 321-327 (1992).

J. ORTEGA, R. ALCALDE. Determination and algebraic representation of volumes of mixing at 298.15 K of methyl n-alkanoates (from ethanoate to n-pentadecanoate) with pentadecane. Fluid Phase Equilibria, 71: 49-62 (1992).

J. ORTEGA, M. CHAAR, S. MATOS. Excess molar volumes of benzene with certain isomers of hexanol. Thermochimica Acta, 204: 295-302 (1992).

J. ORTEGA. Excess molar enthalpies at the temperature 298.15 K of (methyl alkanoate+ pentane or heptane). Journal of Chemical Thermodynamics, 24: 1121-1125 (1992).

E. GONZALEZ, J. ORTEGA, S. MATOS, G. TARDAJOS. Thermodynamic properties of (a methyl ester+an n-alkane). II.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x)CH3(CH2)4CH3}. Journal of Chemical Thermodynamics, 25: 561-568 (1993).

J. ORTEGA. Publicación de la Conferencia: Aspectos básicos sobre fluidos y mezclas fluidas a bajas presiones. Revista Academia Canaria de las Ciencias V: 65 (1993).

A.M. BLANCO, J. ORTEGA, J.M. LEAL, B. GARCIA. Studies on densities and viscosities of binary mixtures of alkyl benzoates in heptane. Thermochimica Acta, 222: 127-136 (1993).

J. ORTEGA, P. SUSIAL. Vapor-liquid equilibria behavior of methyl esters and propan-2-ol at 74.66, 101.32 and 127.99 kPa. Journal of Chemical Engineering of Japan, 26(3): 259-265 (1993).

E. GONZALEZ, J. ORTEGA. Excess molar volumes at the temperature 298.15 K of hexane with some hexanol isomers. Thermochimica Acta, 217: 301-308 (1993).

J. ORTEGA, J.L. LEGIDO. Revision of interaction parameters for estimating the enthalpies of mixtures of benzyl ethanoate+n-alkanes or 1-chloroalkanes using the UNIFAC model. Fluid Phase Equilibria, 86: 251-273 (1993).

J. ORTEGA, E. GONZALEZ. Thermodynamic properties of (a methyl ester+an alkane). III.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x)CH3(CH2)8CH3}. Journal of Chemical Thermodynamics, 25: 495-501 (1993).

P. SUSIAL,; J. ORTEGA. Isobaric vapor-liquid equilibria for methyl propanoate+ isobutyl alcohol. Journal of Chemical and Engineering Data, 38(3): 434-436 (1993).

J. ORTEGA, E. GONZALEZ. Thermodynamic properties of (a methyl ester+an n-alkane) IV.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x)CH3(CH2)10CH3}. Journal of Chemical Thermodynamics, 25: 801-806 (1993).

J. ORTEGA, E. GONZALEZ. Thermodynamic properties of (a methyl ester+an n-alkane) V.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x)CH3(CH2)12CH3}. Journal of Chemical Thermodynamics, 25: 1083-1088 (1993).

P. SUSIAL, J. ORTEGA. Isobaric vapor-liquid equilibria in the system methyl propanoate+n-butyl alcohol. Journal of Chemical and Engineering Data, 38: 647-649 (1993).

E. GONZALEZ, J. ORTEGA. Thermodynamic properties of (a methyl ester+an n-alkane) VI.- HE and VE for {xCH3(CH2)u-1CO2CH3(u=1 to 6)+(1-x)CH3(CH2)14CH3}. Journal of Chemical Thermodynamics, 26: 41-47 (1994).

J. ORTEGA, J.L. LEGIDO. Application of the UNIFAC and Nitta-Chao models to describing the behavior of methyl ester/alkane mixtures, and experimental data for (methyl n-alkanoates+n-heptadecane) binary mixtures. Fluid Phase Equilibria, 95: 175-214 (1994).

A.M. BLANCO, J. ORTEGA. Excess thermodynamic properties of mixtures of alkyl benzoates with n-heptane. International Journal of Thermophysics, 15(4): 699-710 (1994).

J. ORTEGA, J.A. PEÑA. Vapor-liquid equilibria of methyl or ethyl acetate with 1-chloropentane or 1-chlorohexane at 101.32 kPa pressure. Journal of Chemical Engineering of Japan, 27(3): 351-356 (1994).

S. GALVAN, J. ORTEGA, P. SUSIAL, J.A. PEÑA. Isobaric vapor-liquid equilibria for propyl methanoate+n-alkanes (C7,C8,C9) or n-alkanols (C2,C3,C4). Journal of Chemical Engineering of Japan, 27(4): 529-534 (1994).

J. ORTEGA; S. GALVAN. Vapor-liquid equilibria of propyl propanoate with n-alcohols at 101.32 kPa pressure. Journal of Chemical and Engineering Data, 39(4): 907-910 (1994).

E. GONZALEZ, J. ORTEGA, M.A.POSTIGO, J.L. LEGIDO. Thermodynamic properties of (a methyl esters+an n-alkane) VII.- HE and VE for {xCH3(CH2)2u-1CO2CH3(u=4,5,6,7)+(1-x)CH3(CH2)2vCH3(v=2 to 7)}. Journal of Chemical Thermodynamics, 26: 1301-1315 (1994).