000 004050000a22001450004500
008 140223b1986 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aGV:5576 M6
082 _aGV:5576 M6
100 _aTOWNSEND (Colin R)
245 _aEcology of streams and reviers.
260 _aBaltimore
_bEdward
_c1986
440 _aInstitute of Arnold biologys:Studies in biology,122.
650 _aMICROBIOLOGY
999 _c99776
_d99776