TY  - BOOK
AU  - McEwen, Robert Stanley.
TI  - Vertebrate embryology
AV  - QL955 .M2 1957
U1  - 591.33 
PY  - 1957///
CY  - New York
PB  - Holt
KW  - Vertebrates
KW  - Embryology
N1  - Includes bibliographical references and index
ER  -