00408nam 2200821 4500001000400000003002300004005000900027008004100036082001100077020001300088100001400101260003500115500001900150250001000169300001500179245004600194821StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a910.02 a45510644 aI.D White bLondon: Allen and Unwin c1987 aIncludes Index a3r ed a494p: 24cm aEnvironmental System An Antroductory Text