Systematics and evolution of Cordylanthus (Scrophulariaceae-Pedicularieae) /

by Chuang, Tsan-iang, 1933-
Published 1986

Escarabajos : 200 millones de años de evolución /

by Morón Ríos, Miguel Angel
Published 1984

Ciencias naturales y desarrollo.

Published 1999

Cranium of Dinohippus mexicanus (Mammalia: Equidae) from the early Pliocene (latest Hemphillian) of central Mexico : and the origin of Equus /

by McFadden, Bruce J.
Published 2002

Geographic variation in Myotis californicus in the southwestern United States and Mexico /

by Bogan, Michael A.
Published 1975