000 00286nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aLedyard steltins
245 0 _aVariation and evoluation in Plants
260 _bOxford Book
260 _c1964
365 _b12.00
942 _cBK
999 _c195808
_d195808