By SALAS, SATURNINO L..
BARCELONA | España REVERTE 1976 .
1029 8429151281

By IRIBARREN T., IGNACIO L..
MEXICO | México EDITORIAL LIMUSA 1984 .
253 968180659X

By AVELLAN Z., ALBERTO.
Ecuador | GUAYAQUIL AVELLAN Z., ALBERTO | UNIVERSIDAD DE GUAYAQUIL 1950 .
128

By MOLINA JURADO, XAVIER.
Ecuador | GUAYAQUIL UNIVERSIDAD DE GUAYAQUIL 1997 .
167

By AYALA MORA, ENRIQUE.
Ecuador | QUITO CORPORACION EDITORA NACIONAL 1992 .
365 9978840133