TY  - BK
AU  - Borlaug,N.E.
TI  - Mankind and civilization at another crossroad:  1971 McDougall memorial lecture
PY  - 1971///
CY  - Rome (Italy)
PB  - FAO, 
KW  - Agricultural development
KW  - AGROVOC
KW  - Appropriate technology
N1  - Three versions
ER  -