@book{447,
	author = {Nuttin, Joseph, and Greenwald, Anthony G.},
	title = {Reward and punishment in human learning;},
	publisher = {Academic Press,},
	year = {1968.},
	address = {New York,},
	note = {Chapters 2-7 originally published in French under title: Tâche, réussite et échec.}
}