00291nam a2200109Ia 4500008004100000082001900041100002500060245001900085260004800104300001000152650001900162140113s9999    xx            000 0 und d  a595.7:591.5 G1  a" Chapman, Royal N."  aAnimal ecology  b"New York : McGraw-hill book company, 1931"  a464p.  aAnimal ecology