TY  - JA
AU  - Bird,G.W.
TI  - Sustainable agricultural research and education program:  with special reference to the science of ecology
SN  - 1044-0046
U1  - 94-043596 
PY  - 1992///
KW  - America
KW  - Cropping patterns and systems
KW  - Education
KW  - North America
KW  - Policies
N1  - references US (DNAL S494.5.S86S8)
T2  - Journal of sustainable agriculture (USA). (1992). v. 2(3) p. 141-152
ER  -