@article{269259, note = {"June 2003"}, author = {Hahn, Joan Earle. and Marks, Beth A.}, url = {http://library.usi.edu/record/269259}, title = {Intellectual and developmental disabilities /}, publisher = {W.B. Saunders Co.,}, recid = {269259}, pages = {xiv p., p. [185]-402 :}, address = {Philadelphia :}, year = {2003}, }