000 00310nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
041 _aENG
100 _aKOTAIAH, B
245 0 _aENVIRONMENTAL ENGINEERING LABORATORY MANUAL
260 _aDELHI
_bCHAROTOR PUBLISHING HOUSE
_c1994
300 _a212
942 _2ddc
999 _c62978
_d62978