TY  - BOOK
AU  - Negi S S
TI  - Environmental conservation
T2  - Fundamentals of forestry; 5
U1  - JB:(G:55), M3 
PY  - 1983///
CY  - DehraDun Bishe Singh, Mahendrapal Singh
KW  -  Forestry
KW  - Agriculture
N1  - Appendix 67-75p
ER  -