00283nam a2200097Ia 4500008004100000082002100041100003600062245004400098260003500142300000800177140113s9999    xx            000 0 und d  a047.1:577.4   M5  a"Johnston, Richard.F. et al�"  aAnnual Review of Ecology & Systematics   a1985bAnnual Reviews Inc.cUSA  a503