000 00311nam a2200121Ia 4500
008 150205s9999 xx 000 0 und d
100 _aLedyard, G.
245 _aVariation ans Evolution in Plants
260 _aCalcutta
_bOxford & IBH Publishing Co. Pvt. Ltd.
260 _c1950
300 _a643 p.
942 _cBK
999 _c1499
_d1499