Lively, M A Spectral noise levels and roughness severity ratings for normal and simulated rough vowels produced by adult females. [electronic resource] - Journal of speech and hearing research Sep 1970 - 503-17 p. digital Publication Type: Journal Article ISSN: 0022-4685 Standard No.: 10.1044/jshr.1303.503 doi Subjects--Topical Terms: AdultFemaleHoarsenessHumansNoiseSpeechTape Recording