000 00335nam a22001217a 4500
008 230816b |||||||| |||| 00| 0 eng d
022 _a0971-023
040 _aNational Science Library
_cNational Science Library
245 _aEnvironment bulletin
260 _aLucknow:
_bDr. R.C. Dalela,
_c1999
310 _aSix monthly
942 _cCR
999 _c58832
_d58832