TY  - BOOK
AU  - Camphbell, Joseph K
TI  - Dibble sticks, donkeys, and diesels: machines in crop production
U1  - FPM 631.371 C16D 
PY  - 1990///
CY  - Philippines
PB  - International rice research instiutute
KW  - DRAUGHT ANIMALS - EQUIPMENTS AND SUPPLIES
KW  - AGRICULTURAL MACHINERY
KW  - DRAUGHT ANIMALS - EQUIPMENTS AND SUPPLIE
ER  -