TY  - GEN
AU  - Ayad,G.
TI  - Directory of germplasm collections: III cereals
PY  - 1980///
CY  - Rome
PB  - International Board for Plant Genetic Resources
KW  - Directory
KW  - Germplasm Collections
KW  - Cereals
N1  - Part 2 : Maize
ER  -