000 00335nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a371.912 HUR C
100 _aHurvitz, Joel , Carmen, Richard
245 0 _aSpecial Devices for Hard of Hearing, Deaf and Deaf Blind Persons
264 _bLittle, Brown and Company
_c1981
300 _a297
999 _c15795
_d15795