000 00308nam a22001097a 4500
082 _a363.7
_bISO
100 _aBilly G.Isom
245 _aRationale for Sampling and interpretation of Ecological data in the Assessment of Freshwater Ecosystems
260 _aBaltimore
_c1986
300 _a193 Pages.
942 _cL
999 _c16439
_d16439