@book{49771,
	author = {Rogers, Everett M. and Shoemaker, F. Floyd},
	title = {Communication of innovations},
	publisher = {Free Press},
	year = {[1971]},
	address = {New York},
	edition = {2. ed.},
	note = {First ed. (1962) and 3rd ed. (c1963) published under title: Diffusion of innovations.}
}