TY  - BOOK
AU  - Hopfen,Hans Joachim
ED  - Food and Agriculture Organization of the United Nations (Rome)
TI  - Farm implements for arid and tropical regions
U1  - 630.82 
PY  - 1960///
CY  - Rome
PB  - FAO
KW  - Agricultural implements
KW  - Farm equipment
KW  - Farm management
N1  - Bibliography: p. 145-148
ER  -