00420nam 2215334 450000100060000000300230000600500090002900800410003808200080007902000160008710000200010326000490012350000190017230000150019124500580020615334StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a628 a13-481714-1 aGilbert Masters bNew York: Prentice-Hall International c1991 aIncludws index a460p: 24cm aintroduction to environmental engineering and science