Vocal registers in singing. Proceedings of a Symposium : Seventy-eighth meeting of the Acoustical Society of America, San Diego, California, Nov. 7, 1969 and Silver jubilee convention of the National Ass. of Teachers of Singing, Cleveland, Ohio, Dec. 28,1969

Proceedings of the seventh International Congress of Phonetic Sciences / Actes du Septième Congrès international des sciences phonétiques : Held at the University of Montreal and McGill University, 22-28 August 1971 / Tenu á l' Université de Montréal et á l' Université McGill, 22-28 août 1971