TY  - BK
AU  - Barker,R.
AU  - Gabler,E.C.
AU  - Winkelmann,D.L.
TI  - Long-term consequences of technological change on food security:  the case for cereal grain [Supply and demand, agronomic practices]
U1  - 81-651772 
PY  - 1979///
KW  - Cereals general
KW  - Development policies
KW  - Plant production
N1  - ill. 20 ref
ER  -