@article{20167, recid = {20167}, title = {Mental retardation : the leading edge : service programs that work /}, publisher = {U.S. Dept. of Health, Education, and Welfare, Off. of Human Development Services, The President's Comm. on Mental Retardation,}, address = {Washington :}, pages = {vi, 76 p. :}, year = {1979}, note = {At head of title: MR 78.}, url = {http://library.usi.edu/record/20167}, }