000			004730000a22001810004500
245			_aIntroduction to environmental engineering and science
100			_aMasters, Gilbert M
250			_a2nd ed.
260			_aNew Delhi _bPrentice-hall _c1998
300			_axiv, 651p. : ill.
500			_aIndex included
020			_a8120326008
080			_a628.5 _bM3
650			_aENVIRONMENTAL ENGINEERING
650			_aENVIRONMENTAL SCIENCE
041			_aEN
942			_cBK
999			_c26682 _d26682