000 00311nam a22001337a 4500
999 _c8681
_d8681
020 _a9788131806418
082 _a363.7 SHA/ENV
100 _aSharma, J P
_97372
245 _aEnvironmental Studies
250 _a3rd ed.
260 _aNew Delhi
_bUniversity Science Press
_c2013
300 _a221P.:
942 _cBOOK