TY  - BOOK
AU  - Albrecht, Hartmut 
AU  - Bergmann,  Herbert 
AU  - Diederich,  Georg 
AU  -  GroBer, Eberhard
AU  -  Hoffmann,  Volker
AU  -  Keller, Peter
AU  - Payr, Gerhard 
AU  - Sulzer,  Rolf 
TI  - Agricultural extension: Examples and background material (Volume-2) 
SN  - 388085405x
U1  - 630.715 / RUR 22
PY  - 1990///
CY  - New Delhi, India
PB  - New Age Internation (P) Limited
KW  - Agricultural extension
N1  - Includes references and index
ER  -