Assessing biological integrity in running waters
Subtitle: a method and its rationale
By: James R. Karr ... [et al.].
Contributors: Karr, James R.
Series: Special publication / Illinois Natural History Survey -- 5 (Sept. 1986); Illinois Natural History Survey special publication -- 5.
Publisher: Illinois Natural History Survey
Published: 1986
Place of publication: Champaign, Ill
Language: eng
Number of pages: 28
Subjects: Stream ecology.; Freshwater biology.
Notes: Cover title.

Bibliography: p. 20-22.