00374nam a2200145Ia 4500008004100000020001500041082001600056100001800072245002700090260004200117300000800159650001800167650002400185653001900209170901s1979    xx            000 0 und d  a0192176730  a591.5bB90E  aBrown, Leslie 0aEncounters with Nature  aOxfordbOxford University Pressc1979  a194  aPure Sciences  aZoological sciences  aAnimal ecology