TY  - BOOK
ED  - National Research Council (U.S.). Committe on the Role of Alternative Farming Methods in Modern Production Agriculture.
TI  - Alternative agriculture
SN  - 0-309-03985-1
AV  - S441 A58
PY  - 1989///
CY  - Washington
PB  - National Academy Press
N1  - Glosario : p. 419-426
ER  -