000 00353nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a556.53
_bTOL
100 _aTOLKAMP, H H
245 0 _aOrganism substrate relationships in lowland streams.
260 _aWageningen
_bCentre for Agricultural Publishing
_c1980
650 _aLowland stream
942 _cBK
999 _c36735
_d36735