00444cam a22001697a 4500008004000000020001500040082001300055100001900068245005800087250001200145260003700157300001000194650002900204650001400233650001200247700001500259180718b1984   xxu||||| |||| 00| 0 eng d  a0030584671  aO91 T847  aTurk, Jonathan  aEnvironmental sciencecby Jonathan Turk and Amos Turk  a3rd ed.  aNew YorkbSaunders Collegec1984  a544p.  aEnvironmental Protection  aPollution  aEcology  aTurn, Amos