@article{312301, author = {Jacobson, John W. and Mulick, James A. and Rojahn, Johannes.}, url = {http://library.usi.edu/record/312301}, title = {Handbook of intellectual and developmental disabilities /}, publisher = {Springer,}, recid = {312301}, pages = {xx, 726 p. :}, address = {New York, NY :}, year = {2007}, }