000 00338nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a4122943003
041 _aen
082 _a577.627
100 _aDAVID ALLAN, J.
245 0 _aStream Ecology
260 _aLondon.
_bChapman & Hall Pub.
_c1995
300 _axiii,388pg
942 _cPR
999 _c50824
_d50824