TY  - BOOK
AU  - Dalrymple, Dana G.
AU  - 5
TI  - Development and spread of high-yielding varieties of wheat and rice in the less developed nations  
PY  - 1976///
CY  - Washington,D.C.
PB  - United States Department Of Agriculture
KW  - Rice --Varieties --Developing Countries.Production
ER  -