TY  - BOOK
AU  - Dalrymple, Dana G
TI  - Development and spread of high-yielding varieties of wheat a
U1  - 631.558/DAL 
PY  - 1976///
CY  - Washington
PB  - Agency For International Development
KW  - Developing countries
KW  - Agricultural development
KW  - seed research
KW  - High--Yielding varieties
KW  - Wheat,Rice,Green revolution
ER  -