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008 211104s9999 xx 000 0 und d
020 _a9788190890809
041 _aENGLISH
082 _a628 P5 RAV
100 _aRAVIKRISHNAN
245 0 _aENVIRONMENTAL SCIENCE AND ENGINEERING
260 _c2005
_bSRI KRISHNA HITECH PUBLISHING COMPANY
300 _a7.44
650 _aSANITARY AND MUNICIPAL ENGINEERING [Environmental Protection Engineering]
942 _cBK
999 _c18617
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