Moreno Ortega, Columba Biologia 1., Educaion media basica / Columba Moreno Ortega / coauts. Rosa Maria Marquez Mancilla y Virginia Ochoa Quiroz - Mexico : Sitesa , 1980 , c1987. - 224p. 2ej. : il. otr. ISBN: 968-6135-22-7 Subjects--Topical Terms: Biología Dewey Class. No.: 574 MOR