Equinoides del cretacico del norte de Mexico /

Bibliographic Details
Main Author:	Buitrón, Blanca Estela
Corporate Author:	Universidad Nacional Autónoma de México. Instituto de Geología
Format:	Book
Language:	Spanish
Published:	Mexico, D.F. : Universidad nacional autonoma de Mexico, Instituto de geologia, 1971.
Series:	Paleontología mexicana ; no. 31.
Subjects:	Echinodermata, Fossil. Paleontology > Cretaceous. Paleontology > Mexico.

Description
Physical Description:	73 pages : illustrations ; 24 cm.
Bibliography:	Bibliography: pages 43-46.