Softshell clam / by Barbara J. Abraham and Perian L. Dillon ; performed for Coastal Ecology Group, Waterways Experiment Station, U.S. Army Corps of Engineers ... and National Wetlands Research Center, Fish and Wildlife Service, U.S. Department of the Interior. [electronic resource]
Imprint
Washington, DC : Service, U.S. Dept. of the Interior ; Vicksburg, MS : The Group, Waterways Experiment Station, U.S. Army Corps of Engineers, [1986]