Author | Schlosser, Ralf W |
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Title | The efficacy of augmentative and alternative communication [electronic resource] / Ralf W. Schlosser |
Imprint | Amsterdam ; Boston : Academic Press, c2003 |
Connect to | http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=91234 |
Descript | xxiv, 627 p. : ill. 24 cm |