@book{18173,
	author = {Silverman, Franklin H., and Silverman, Franklin H.,},
	title = {Research design and evaluation in speech-language pathology and audiology :},
	publisher = {Prentice-Hall,},
	year = {c1985.},
	address = {Englewood Cliffs, N.J. :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Research design in speech pathology and audiology. c1977.}
}