TY  - BOOK
AU  - Boeringa, R
TI  - Alternative methods of agriculture
T2  - Developments in agricultural and managed-forest ecology
SN  - 0444418938
U1  - 631.5 
PY  - 1980///
CY  - Amsterdam
PB  - Elsevier
KW  - Cultivation & Harvesting
ER  -