00607nam a2200217Ia 4500008004100000020001800041040000600059041001200065082001000077082001100087100002000098245010500118245002000223260001400243260001900257260000900276300005500285300001200340501002500352650001200377141004s9999    xx            000 0 und d  a0 12 266540 6  ca  aEnglish  a577.2  bFRE/EN  aBill   Freedman  aEnvironmental ecology: The impacts of pollution & other stresses on ecosystem structure and function  cBill   Freedman  aSan Diego  bAcademic press  c1989  a424 p.                                              b23.5 cm  a4B3                   aEcology