TY  - BOOK
AU  - 
TI  - Appropriate biotechnology in small-scale agriculture : : how to reorient research and development 
SN  - 0851987702
AV  - S494.5.B563 .A61
PY  - 1991///
CY  - Wallingford
PB  - C.A.B International
KW  -  
ER  -