Description: Continental systems for the assessment of river water quality/

Main Author:	Sladecek, Vladimir
Format:	Book
Language:	English
Published:	[s.l.]: [s.n.], [19--]
Subjects:	Water quality biological assessment Indicators (Biology)

Item Description:	At head of title: Chapter 3
Physical Description:	32 p. : diagrs, tabs ; 21 cm.
Bibliography:	Includes bibliographical references