ISBN-13: 9781138358836 / Angielski / Twarda / 2018 / 244 str.
ISBN-13: 9781138358836 / Angielski / Twarda / 2018 / 244 str.
Originally published in 1942, this title was recognised as setting new standards in the scientific approach to speech problems. In this title the author combines both mechanical and psychological approaches and by setting out the basic pathology of the various conditions, he throws new light upon them.