Nielsen, David The essential handbook of ground-water sampling / Handbook of ground-water sampling David M. Nielsen, Gillian L. Nielsen - Boca Raton, FL : CRC Press/Taylor & Francis, c2007 - 309 p. : ill. ; 26 cm. Includes bibliographical references and index ISBN: 9781420042788 (softcover : alk. paper) 1420042785 (softcover : alk. paper) Subjects--Topical Terms: Groundwater--Sampling