000 00264nam a2200109Ia 4500
008 160710s1997 xx 000 0 und d
100 _aLAENEN,A.
245 _aRIVER QUALITY, DYNAMICS & RESTORATION
260 _bLEWIS PUB.
_c1997
300 _a463
942 _2ddc
_cB
999 _c57589
_d57589