000 00288nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aErnst mays
245 0 _aMethods and principles of systematic zoology
260 _bmcgrawhill
260 _c1953
365 _b21.00
942 _cBK
999 _c198480
_d198480