TY  - GEN
AU  - Stefferud , Alfred  
TI  - Seeds:  the yearbook of agriculture 1961
U1  - 631.521 
PY  - 1961///
CY  - Washington
PB  - The united ststes department 
KW  - AGRICULTURE
KW  - LIFE PROCESSES OF SEEDS
KW  - SEEDS
KW  - SEED PRODUCTION
ER  -