000 00382nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a616.855 SIL
100 _aSilverman, Franklin H.
245 0 _aCommunication for the Speechless: An Introduction to Nonvocal Communication Systems for the Severely Communicatively Handicapped
264 _bPrentice-Hall Inc
_c1980
300 _a291p.
999 _c15759
_d15759