000 00268nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSILVERTOWN (JW)
245 0 _aiNTROD TO PLANT POPULATION ECOLOGY
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c89539
_d89539