Barlow David H., Hersen Michel Single case experimental designs strategies for studying behavior change - 2nd ed. - New York Pergamon press 1984 - 418 p. 24 cm. - Pergamon general psychology series . Behavior , Research, Psychology - - methods, Psychology, Experimental Subjects--Topical Terms: Psychology, ExperimentalPsychology - - methodsResearchBehavior Dewey Class. No.: 150.072 / BAR