TY  - BOOK
AU  - Manner,HaroldW., x
AU  - x
TI  - Elements of comparative vertebrate embryology: x
SN  - x
U1  - 596/MAE 
PY  - 1964///
CY  - Lond
PB  - Macmillan
KW  - Zoology
KW  - Vertebrates
ER  -