by Gonzalez Villafane E, Espinet Colon G.R
Published in Bulletin - Puerto Rico Agricultural Experiment Station (USA). no. 249 (1977)

by Espinet G.R, Gonzalez Villafane E
Published in Publicacion - Universidad de Puerto Rico (1979)

by Llorens A.A, Gonzalez Villafane E, Vargas D
Published in Bulletin - Puerto Rico Agricultural Experiment Station (USA). no. 274 (1984)

by Gonzalez Villafane E, Santini J.E, Fontanet E, Diaz A.L
Published in Bulletin - Puerto Rico Agricultural Experiment Station (USA). no. 272 (1984)

by Gonzalez Villafane E, Espinet G.R, Troche Ducot J.L
Published in Publicacion - Universidad de Puerto Rico (1980)

by Gonzalez Villafane, E
Published in The Journal of agriculture of the University of Puerto Rico (01.10.1982)

by Gonzalez-Villafane, E, Zapata-Acosta, J
Published in The Journal of agriculture of the University of Puerto Rico (01.07.1981)

by Espinet, G.R, Gonzalez Villafane, E
Published in Publicacion - Universidad de Puerto Rico, Colegio de Ciencias Agricolas, Estacion Experimental Agricola (1979)

by Llorens, A.A, Gonzalez-Villafane, E, Vargas, D
Published in Bulletin - Puerto Rico Agricultural Experiment Station (USA) (01.10.1984)

by Espinet, G.R, Gonzalez-Villafane, E, Santini, J.E
Published in Bulletin (1976)

by Gonzalez-Villafane, E, Santini, J.E, Fontanet, E, Diaz, A.L
Published in Bulletin - Puerto Rico Agricultural Experiment Station (USA) (01.02.1984)

by Espinet-Colon, G.R, Gonzalez-Villafane, E, Muler-Manzanares, L, Chavarria De Gracia, O
Published in Publ Misc Univ P R Recin Mayaguez Col Cienc Agric Estac Expagric (1973)

by Gonzalez-Villafane, E, Pringle, G.E, Hernandez, M.I, Espinet, G.R, Vargas-Hernandez, D, Santini, J.E, Muler, L, Calero, R
Published in P R Rio Piedras Agr Exp Sta Bull (1972)