@book{58790,
	author = {EDGERTON, R.B.},
	title = {A LONGITUDINAL-ETHNOGRAPHIC RESEARCH PERSPECTIVE ON QUALITY OF LIFE. EN: QUALITY OF LIFE. VOLUME I: CONCEPTUALIZATION AND MEASUREMENT},
	publisher = {AMERICAN ASSOCIATION ON MENTAL RETARDATION},
	year = {1996},
	address = {WASHINGTON,DC (USA)}
}