TY  - BOOK
AU  - Pesonen, Jaako
AU  - Pesonen, Jaako
TI  - Phoneme communication of deaf : theory and elementary visio-oral verbal reduction by means of individualized visiophonemes
U1  - T67:3P:1 
PY  - 1968///
CY  - Helsinki
PB  - Suomalainen Tiedeakatemia
KW  - T67:3P:1
ER  -