TY  - BOOK
AU  - Schmalhausen, I. I. (Ivan Ivanovich), 1884-1963
AU  - Thomson, Keith Stewart
TI  - The origin of terrestrial vertebrates
AV  - QL605.S513 1968 
PB  - Academic Press
KW  - Vertebrates
KW  - Paleontology
KW  - QL
N1  - Translation of Proiskhozhdenie nazemnykh pozvonochnykh; Includes bibliographical references (p. 296-303) and indexes
ER  -