00393nam a2200145Ia 4500008004100000020001500041082001400056100001600070245004000086260006300126300000800189650001800197650001800215653001400233170901s1976    xx            000 0 und d  a0674241041  a575bM50E  aMayr, Ernst 0aEvolution And the Diversity of Life  aCambridgebBelknap Press of Harvard University Pressc1976  a721  aLife sciences  aPure Sciences  aEvolution