000 00303nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a581.524.3 L7
100 _a"Harper, John. L."
245 _aPopulation biology of plants
260 _a1977
_bAcademic Press
_cLondon
300 _a892
942 _cBK
999 _c60246
_d60246