1. Standard Methods for the Examination of Water and Wastewater;APHA, American Public Health Association,1998
2. Rapid Bioassessment Protocols for Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates, and Fish;Barbour,1999
3. Zebra mussels invade Lake Erie muds;Berkman;Nature,1998
4. An ordination of the upland forest communities of southern Wisconsin;Bray;Ecol. Monogr.,1957
5. The mayflies, Ephemeroptera, of Illinois;Burks;Bull. Ill. Nat. Hist. Surv.,1953