C.K. Borg
Strayer, David L., D.C. Hunter, L. C. Smith, and C.K. Borg. 1994. “Distribution, Abundance, and Roles of Freshwater Clams (Bivalvia, Unionidae) in the Freshwater Tidal Hudson River”. Freshwater Biol. 31: 239-48. http://www.sgnis.org/publicat/papers/fb31_239.pdf.