000 00275nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _aSIN-E
100 _aSINGH,H.H.
245 0 _aENVIRONMENTAL STUDIES AND ENVIRONMENT ENGINEERING
260 _bAXOM BOOKS
_c2013
942 _cREF
999 _c1089
_d1089