Hearing aid handbook /
Digiovanni, Jeffrey J.
Hearing aid handbook / Jeffery J. DiGiovanni. - Clifton Park, NY : Delmar Cengage Learning, 2011. - x, 646 p. : ill. ; 23 cm.
References : p. 621-630
9781435481114 RM120.21
Hearing aids
WV274 / .D571h 2011 9HUKM
Hearing aid handbook / Jeffery J. DiGiovanni. - Clifton Park, NY : Delmar Cengage Learning, 2011. - x, 646 p. : ill. ; 23 cm.
References : p. 621-630
9781435481114 RM120.21
Hearing aids
WV274 / .D571h 2011 9HUKM
