LidénGKankkunenA. Hearing aid procedure in young deaf and hard of hearing children. Scand Audiol1973; Suppl 3:47–54.
4.
LidénGKankkunenA. Acoustic amplification for young deaf and hard of hearing children. In: FantG, ed. International symposium on speech communication ability and profound deafness, 1970, Stockholm. Washington: Alexander Graham Bell Assoc for the Deaf, 1972: 63–73.