Nonparametric tests for trends in water-quality data using the statistical analysis system
By: by Charles G. Crawford, James R. Slack, and Robert M. Hirsch
Contributors: Slack, James Richard, 1944-; Hirsch, Robert M; Geological Survey (U.S.)
Series: Open-file report -- 83-550; Open-file report (Geological Survey (U.S.)) -- 83-550
Publisher: U.S. Geological Survey
Published: 1983
Place of publication: [Reston, Va.]
Language: eng
Format: Microform
Subjects: Water quality -- United States -- Statistical methods
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 2 microfiches ; 11 x 15 cm

Bibliography: p. 101-102