000 00311nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a576.12 j9
100 _a"Bernhard, Rensch."
245 _aEvolution above the species level
260 _a1966
_bJohn Wiley & Sons
_cNew York
300 _a419
942 _cBK
999 _c58561
_d58561