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Horne, M.T. and W.A. Dunson (1994) Exclusion of the Jefferson salamander, Ambystoma jeffersonianum, from some potential breeding ponds in Pennsylvania: effects of pH, temperature, and metals on embryonic development. Arch. Environ. Contam. Toxicol. 27. 323-330.
Horne, M.T. and W.A. Dunson. (1995) Toxicity of metals and low pH to embryos and larvae of the Jefferson salamander, Ambystoma jeffersonianum. Arch. Environ. Contam. Toxicol. 29. 110-114.
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