TY  - BOOK
AU  - Wellard,Kate
AU  - Mortimore,Michael
TI  - Environmental change and dryland management in Machakos district, Kenya 1930-90: profile of technological change
T2  - ODI. Working paper
SN  - 0-85003-174-5
PY  - 1991///
CY  - London
PB  - Overseas development institute
ER  -