TY - BOOK ID - 127388388 TI - Hearing aids : standards, options, and limitations PY - 2002 SN - 3131027320 1588901033 PB - New York : Thieme, DB - UniCat KW - Hearing aids. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127388388 AB - ER -