Ministry of agriculture. Water in the Czech Republic, Praha: Consult, 2006. ISBN 80-903482-2-X .
Using Statistical Methods for Water Quality Management: Issues, Problems and Solutions Graham B. McBride, John Wiley, ISBN: 0-471-47016-3 , Hardcover, 344 pages, May 2005.
Water Treatment Made Simple: For Operators Darshan Singh Sarai, ISBN: 0-471-74002-0 , Paperback, John Wiley, 272 pages, November 2005.
Gregory Vogt. The Hydrosphere: Agent of Change.Twenty-First Century Books, 2006. ISBN:0761328394 .