@book{50687,
	author = {Rogers, Everett M. and Shoemaker, F. Floyd,},
	title = {Communication of innovations :},
	publisher = {Free Press,},
	year = {c1971.},
	address = {New York :},
	edition = {2nd ed.},
	note = {First ed. (1962) and 3rd ed. (c1963) published under title: Diffusion of innovations.}
}