000 00498nam a2200169Ia 4500
008 150723s9999 xx 000 0 und d
020 _a1565
082 _a 628 MAS-I3
100 _a Masters, Gilbert M; Ela, Wendell P
245 _a Introduction to environmental engineering and science
250 _a3
260 _b Pearson Education Inc., New Delhi
260 _c2013
300 _a708
650 _a Sanitary and municipal engineering, Environmental protection engineering
942 _cBK
999 _c1445
_d1445