El origen de las especies
By: Carlos Darwin ; introducción de Richard E. Leakey.
Contributors: Leakey, Richard E.
Series: "Sepan cuantos-- " -- núm. 385
Publisher: Porrúa
Published: 1982
Place of publication: México, D.F
Language: spa
Number of pages: 377
Subjects: Evolution.; Evolución.; Natural selection.; Selección natural.
Work titles: On the origin of species.
Notes: Translation of: On the origin of species.

Includes index.