TY  - BOOK
AU  - Nico van
TI  - Hatching eggs by hens or in an incubator
SN  - 9072746147
AV  - SF 495.N53 1990 
PY  - 1990///
CY  - Washington
PB  - AGROMISA
KW  - Eggs-incubation
KW  - eggs-hatchability
ER  -