000 00267nam a22001217a 4500
008 170404b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a574
100 _a9
101 _aSHM
245 _aTHE ECOLOGY OF RUNNING WATERS
_cHYNES.H.B.N
942 _2udc
_cBK
999 _c9644
_d9644