000 | 00318nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 160316s1987 xxu||||| |||| 00| 0 eng d | ||
020 | _a | ||
100 | _aJ.B. Lal | ||
245 | _aEnvironmental Conservation | ||
250 | _a1st | ||
260 |
_aDEHRADUN _bINTERNATIONAL BOOKS DISTRIBUTORS _c1987 |
||
300 | _a111 | ||
700 |
_a _a |
||
999 |
_c11531 _d11531 |