TY  - GEN
AU  - Blakeslee,Albert F.
TI  - Fancy Points vs. Utility: Many animals and plants scored for characters that are useless or even detrimental to production—Egg yield of fowls neglected—Need for revision of standards 
PY  - 1915///
CY  - Washington : 
PB  - American Genetics Association
N1  - Tav. di studio SZN
ER  -