TY - RPRT TI - Chemistry and potential mutagenicity of humic substances in waters from different watersheds in Britain and Ireland AU - B.E. Watt AU - Ronald L. Malcolm AU - M.H.B. Hayes AU - N.W.E. Clark AU - J.K. Chipman PY - 1996 DO - 10.1016/0043-1354(95)00319-3 UR - https://pubs.usgs.gov/publication/70019036 ID - 70019036 ER -