St. John, Mary. "Shell growth and variation in the Actinonaias ligamentina (Lamarck, 1819) complex (Mollusca: Bivalva: Unionidae) /." Doctoral dissertation, Ohio State University, 1973. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486742203958058Chicago Manual of Style (17th edition)