@book{ BA48431796, author = "Bradley, Valerie J. and Knoll, James and Agosta, John M.", title = "Emerging issues in family support", publisher = "American Association on Mental Retardation", year = "1992", series = "Monographs of the American Association on Mental Retardation", number = "18", URL = "https://ci.nii.ac.jp/ncid/BA48431796" }