TY  - BOOK
AU  - PINGALI,PRABHU
TI  - AGRICULTURAL MECHANIZATION AND THE EVOLUTION OF FARMING SYSTEMS IN SUB-SAHARAN AFRICA
SN  - 0-80183502X
AV  - S 760. A357P56 1987
PY  - 1987///
CY  - BALTIMORE
PB  - THE JOHNS HOPKINS UNIVERSITY PRESS
KW  - FARM MECHANIZATION---AFRICA,SUB SAHARAN
ER  -