TY  - BOOK
AU  - KUMAR Pushpam
TI  - Economics of soil erosion:  A case study of upland region (Doon Valley) in India
U1  - "U672(J:1:4).252EA, N9/Th" 
PY  - 1999///
CY  - "Delhi,"
PB  - "University of Delhi,     "
ER  -