LITERATURE CITED
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- Neves , R. J. and Widlak , J. C. 1987 . Habitat ecology of juvenile freshwater mussels (Bivalvia: Unionidae) in a headwater stream in Virginia . Amer. Malacol. Bull. , 5 : 1 – 7 .
- SAS Institute . 1988 . SAS/STAT user's guide. Cory, North Carolina, SAS Institute. 1028
- Tucker , J. K. 1994 . Colonization of unionid bivalves by the zebra mussel, Dreissena polymorpha in Pool 26 of the Mississippi River . J. Freshwater Ecol. , 9 : 129 – 134 .
- Tucker , J. K. , Theiling , C. H. , Blodgett , K. D. and Thiel , P. A. 1993 . Initial occurrences of zebra mussels (Dreissena polymorpha) on freshwater mussels (family Unionidae) in the Upper Mississippi River System . J. Freshwater Ecol. , 8 : 245 – 251 .