TY  - BOOK
AU  - Ruthenberg,Hans   .
AU  - Jahnke,Hans E   .
TI  - Innovation policy for small farmers in the tropics / 
SN  - 0198594879
U1  - 338.16 
PY  - 1985///
CY  - New York : 
PB  - Clarendon press , 
KW  - FARMS SMALL-TROPICS
N1  - Includes index and bibliographies
ER  -