@book{180575,
	author = {Durham .Gary N and Durham, Gary N.,},
	title = {Field instrumentation for soil and rock /},
	publisher = {ASTM,},
	year = {c1999.},
	series = {STP ;},
	address = {W. Conshohocken, PA :},
	note = {Papers from a symposium held in Atlanta, Ga., June 18-19, 1998.}
}