00384nam a2200097Ia 4500008004100000050002100041100002200062245005200084247007200136264007800208230508s1998    xx            000 0 und d  aQH 541 S657 19981 aSmith, Robert Leo10aElements of ecology 4th ed.cSmith, Robert Leo.  aElements of ecology 4th ed._QH 541 S657 1998_Smith, Robert Leo_1998  a[Place of publication not identified] : bAddison Wesley Longman, c1998.