TY  - BOOK
AU  - Shmalgauzen,I.I.
AU  - Thomson,Keith Stewart
TI  - The origin of terrestrial vertebrates
SN  - 0126257507
PY  - 1968///
CY  - New York
PB  - Academic Press
KW  - Vertebrates
KW  - Paleontology
N1  - Includes bibliographical references and index
ER  -