TY - BOOK AU - Harold K. Wilson AU - Alvin H. Larson, TI - Identification and judging of crops weeds and diseases U1 - 633 PY - 1940/// CY - Saint Paul PB - Webb Publishing Co. N1 - Harold K. Wilson & Alvin H. Larson: Identification and judging of crops weeds and diseases. Saint Paul. Webb Publishing Co., 1940.--(633WIL) ER -