TY  - BOOK
AU  - Romanoff,Alexis Lawrence
TI  - The avian embryo: structural and functional development 
U1  - 598.2 
PY  - 1960///
CY  - New York
PB  - Macmillan
KW  - Birds
KW  - Embryology
KW  - Ornithology
N1  - A complementary and companion volume to The avian egg, published in 1949; Bibliography: p. 1155-1237
ER  -