@book{8717,
	author = {Bethea, Robert M. and Duran, Benjamin S.,},
	title = {Statistical methods for engineers and scientists /},
	publisher = {M. Dekker,},
	year = {c1985.},
	series = {Statistics, textbooks and monographs ;},
	address = {New York :},
	edition = {2nd ed., rev. and expanded.}
}