00293nam a2200109Ia 4500008004100000082001800041100002700059245002100086260005500107300001000162650001100172140113s9999    xx            000 0 und d  a595.7(063) K8  a" Southwood, T. R. E."  aInsect abundance  b"Oxford : Blackwell scientific publications, 1968"  a160p.  aInsect