000 00297nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a SHU/E
100 _aSHUKLA S K
245 0 _aENVIRONMENTAL RESOURCE CONSERVATION
260 _bPRABHATHAM PRINTING AND
_c1992
300 _a276
942 _cTB
999 _c13768
_d13768