By Caballero, Oscar..
Barcelona A.T.E. 1976 .
271 p. 21 cm..
8485047753

By Huxley, Julian Sorell,.
Madrid Aguilar 1972 .
96 p. , Título original: The wonderful world of evolution. 27 cm..
8403710070

By Drake, John W..
San Francisco Holden-Day 1970 .
273 p. 24 cm..

By King, Max..
Cambridge | New York Cambridge University Press 1993 .
xxi, 336 p. 0521353084 (hc)