TY  - BOOK
AU  - Romanoff Alexis L
AU  -  Romanoff Anastasia J
TI  - Avion egg
U1  - K96:(H6), H9 
PY  - 1959///
CY  - New York    
PB  -  John Wiley       
KW  -  Bird
KW  - Zoology
N1  - Bibliography 809-872p
ER  -