Nielsen, David. The essential handbook of ground-water sampling / Handbook of ground-water sampling David M. Nielsen and Gillian L. Nielsen. - London : CRC Press/Taylor & Francis, c2007. - [12], 309 p. : ill. ; 26 cm. Includes bibliography and index. ISBN: 1420042785 (softcover : alk. paper) 9781420042788 (softcover : alk. paper) Subjects--Topical Terms: Groundwater--Sampling. Dewey Class. No.: 628.161 / NIE 2007 National Agricultural Library Call No.: GB1001.72.S3 / N54 2007