000 00305nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-7133-581-0
082 _a577
_bSHA
100 _aSharma.P.D
245 0 _aEcology & environment
260 _aVidhyanagar
_bRastogi Pub, India
_c2002
365 _a175
999 _c249988
_d249988