TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - World list of plant breeders : : Supplement to List of plant breeders in Canada and the United States of America, published in September 1949 
U1  - 631.520257 23
PY  - 1952///
CY  - Rome
PB  - UN (FAO)
KW  - Plant breeding
KW  - North America
KW  - Directories
ER  -