TY  - GEN
AU  - Pearl,Raymond
TI  - The relation of the results obtained in breeding poultry for increased egg production to problem of selection
PY  - 1910///]
CY  - [S.l. : 
PB  - s.n.
N1  - Tav. di studio SZN ;; Presented at the Thirtieth meeting of the Society for the Promotion of Agricultural Science
ER  -