000 00309nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a595.7
100 _aOster,George F.
245 _aCaste and ecology in the social insects.
260 _aNJ
_bPrinceton Univ. Press
_c1978
300 _a352
942 _2ddc
_cBK
999 _c9902
_d9902