TY  - BOOK
AU  - Hopfen, H. J.
TI  - Farm Implements for arid and Tropical Regions
U1  - 631.30913 
PY  - 1960///
CY  - Rome
PB  - Food and Agricultural Organization of the United Nations
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agricultural machinery
KW  - Tropics
ER  -