00349nam a2200097Ia 4500008004100000082002000041100006100061245008700122264002600209300001600235200526s9999||||xx |||||||||||||| ||und||  a616.855 03  LLO  aLloyd, Lyle L. , Fuller, Donald R. , Arvidson, Hellen H. 0aAugmentative and Alternative Communication: A Handbook of Principles and Practices  bAllyn and Baconc1997  axxiv, 615p.