1. Michigan Department of Natural Resources, Federal Aid in Sport Fish Restoration, Job Final Report for Project F-30-R-8;Alexander G. R.,1974
2. Michigan Department of Natural Resources, Fisheries Research Report 1855;Alexander G. R.,1977
3. Michigan Department of Natural Resources, Fisheries Research Report 1865;Alexander G. R.,1979
4. Wisconsin Department of Natural Resources, Technical Bulletin 154;Avery E. L.,1985
5. Michigan State University, Institute of Water Research, Research Report 36;Ball R. C.,1973