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040 _aATRIA
_beng
_cAIT
041 _aeng
082 _222
_qAIT
_a 628 YAJ
100 _aYaji R K
_eAuthor
_919417
245 _aA Text Book of Environmental studies /
_cby Yaji R K
264 3 4 _aMangalore :
_bUnited Publications ;
_c©2006
300 _a343 p.
650 _aElectronics and Communication
_94026
942 _cBE_BK
_2ddc
999 _c3320
_d3320