000 00360nam a2200133Ia 4500
008 190706s9999 xx 000 0 und d
020 _a81-203-2893-0
082 _a628 R215
100 _aRAO ,P.V.
245 0 _aPRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING
260 _aNEW DELHI
_bPHI-Learning
_c2006
300 _ax+276p.,24X14Cms.
942 _cREF
_2DDC
999 _c7323
_d7323