Howard, J. H., R. L. Raesly, and E. L. Thompson. 1984. The electrophoretic detection of unique gene pools: with emphasis on the cave salamander, Gyrinophilus subterraneus. McComb, W. C. ed., Proceedings of the Workshop on Management of Nongame Species and Ecological Communities: 318–326. Lexington, Kentucky, Department of Forestry, College of Agriculture, University of Kentucky.