TY - RPRT TI - Effects of environmental pH and calcium on ammonia toxicity in channel catfish AU - J.R. Tomasso AU - C. A. Goudie AU - B.A. Simco AU - K. B. Davis PY - 1980 DO - 10.1577/1548-8659(1980)109<229:eoepac>2.0.co;2 UR - https://pubs.usgs.gov/publication/70006968 ID - 70006968 ER -