000 00311nam a2200133Ia 4500
008 220201s2017 xx 000 0 eng d
082 _a363.705
_bSHA
100 _aSharma, P.D.
245 0 _aEcology &Environmental
250 _a13
260 _aNew Delhi
_bRastogi Publ.
_c2017
300 _a755
942 _2ddc
999 _c64197
_d64197