References
- Fletcher H. Speech and hearing in communication. New York 1953
- Lidén G. Speech audiometry. Stockholm 1954
- Palva T. Finnish speech audiometry. Acta oto-laryng. Suppl. 1952; 101
- Prazic M. Govorna audiometrija. 1960, Zagreb.
- Maretic A. Gramatika hrvatskog i srpskog jezika. Zagreb 1963
- Hahlbrock K. H. Sprachaudiometrie. Stuttgart 1957