TY  - BOOK
AU  - LUDWIG(HARVEY F); EVANS(J WARREN); BROCKELMAN(WARREN Y); LOHANI(BINDU N)
TI  - Manual of Environemtal Technology in Developing Countries
SN  - 81-7003-134-6
U1  - DT5           N1.2 
PY  - 1991///
KW  - Soil & Water Conservation
ER  -