TY  - SER
AU  - 
TI  - International Rice Research Newsletter Vol. 15(1-6), Vol. 16(1-6), Vol. 17(1-6), Vol. 18(1-6)+ Subject Index
U1  - 633 
PY  - 1990///-1993
CY  - Manila
PB  - International Rice Research Institute
KW  - Field & plantation crops
KW  - Field Crops
KW  - Rice
ER  -