000 00351nam a2200145Ia 4500
654 _aCIVI
100 _aNathanson,J.A.
250 _a1st Ed.
020 _a978812038364
245 _aBasic Environmental Technology
260 _bPHI Learning Private Limited
_aNew Delhi
_c2008
082 _bNAT
_a628.16
300 _avii,531p.
999 _c14616
_d14616
300 _c22 cm.
655 _aC-13
041 _aeng
546 _aText in English