TY  - BOOK
AU  - Crowley,John J.
TI  - Yearbook of agriculture, research for tomorrow
U1  - 630.202 
PY  - 1986///
CY  - Estados Unidos
PB  - Departament of Agriculture
KW  - Agricultura
KW  - manual
KW  - Manual
KW  - agricultura
KW  - Futuro
ER  -