TY  - BOOK
ED  - Iowa Crop Improvement Association. Ames
TI  - Certification requeriments, 197 - 19
PY  - 0000///197 - 19
CY  - Ames, Iowa
PB  - The Association
KW  - Semillas
KW  - Certificación
N1  - La biblioteca tiene: 1983
ER  -