TY - RPRT TI - Toxicity of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to eggs and nymphs of the mayfly (Hexagenia sp.) AU - T.D. Bills AU - L. L. Marking AU - J.J. Rach PY - 1985 UR - https://pubs.usgs.gov/publication/2002441 ID - 2002441 ER -