000 00404nam a2200157Ia 4500
008 250104s9999 xx 000 0 und d
020 _a0-19-569949-1
082 _a628
_bRAJ
100 _aRajagopalan R.
245 0 _aBasic environmental studies
250 _a1st edition.
260 _aNew delhi :
_b Oxford University Press
_c2010.
300 _aT-6.
365 _a155
650 _aEngineering,
999 _c223636
_d223636