TY  - BK
AU  - Mughal,A.Q.
AU  - Colvin,T.S.
TI  - Agricultural machinery back-up service in developing countries
SN  - 0149-9890
U1  - 92-120097 
PY  - 1990///
KW  - Economic geography
KW  - Equipment
N1  - references. Paper presented at The 1990 International Summer Meeting sponsored by the American Society of Agricultural Engineers, June 24-27, 1990, Columbus Ohio
ER  -