TY  - BOOK
ED  - U. S. Production and Marketing Administration.
TI  - Manual for testing agricultural and vegetable seeds / 
U1  - 631.5211 
PY  - 1952///
CY  - Washington : 
PB  - U.S. Govt. Print. Off. , 
KW  - Seed adulteration and inspection
N1  -  Includes bibliographical references
ER  -