References
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- Karr, J., 1981: Assessment of biotic integrity using fish communities. — Fisheries 6, 6: 21–27.
- Karr, J., Fausch, K., Angermeier, P., Yant, P. & Schlosser, L., 1986: Assessing biological integrity in running waters &mdash a method and its rationale. — Illinois Natural History Survey, Special publication, 28 pp.