Gregoire, T. G. Sampling strategies for natural resources and the environment / Timothy G. Gregoire, Harry T. Valentine - Boca Raton : Chapman & Hall/CRC, 2008 - xx, 474 p. : ill. ; 25 cm. Includes bibliographical references (p. 439-457) and indexes ISBN: 9781584883708 (hbk.) : RM213.95 1584883707 (hbk.) Subjects--Topical Terms: Environmental samplingEnvironmental sciences--Statistical methods