000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a582.023 KRU
100 _aKrupa, S. V.
245 _aEcology of root pathogens
260 _bElsevier Scientific Publishing Company
_aAmsterdam
_c1979
999 _c152754
_d152754