W. Perkins
发表
J. Sundberg,
P. Gramming,
S. Ternström,
1988
.
Raymond D. Kent,
R. Curlee,
W. Perkins,
1991,
Journal of speech and hearing research.
W. Perkins,
N. Yanagihara,
1968,
Journal of speech and hearing research.
W. Perkins,
1973,
The Journal of speech and hearing disorders.
W. Perkins,
1936
.
William H. Perkins,
W. Perkins,
1977
.
W. Perkins,
1991
.
W. Perkins,
W H Perkins,
S E Moore,
1990,
The Journal of speech and hearing disorders.
W. Perkins,
E. S. Huffman,
1974,
Journal of communication disorders.
N. Lass,
F. Bell-Berti,
W. Perkins,
1979
.
R. Curlee,
W. Perkins,
1973,
Behaviour research and therapy.
Richard F. Curlee,
William H. Perkins,
R. Curlee,
1991
.
W. Perkins,
W H Perkins,
1990,
The Journal of speech and hearing disorders.
W. Perkins,
1983
.
W. Perkins,
S. Floyd,
1974,
Journal of communication disorders.
R. Curlee,
W. Perkins,
1969,
The Journal of speech and hearing disorders.
W. Perkins,
1978
.
R. Curlee,
W. Perkins,
1969,
Journal of Speech and Hearing Disorders.
W. Perkins,
W Perkins,
J Rudas,
1976,
Journal of speech and hearing research.
Y. Koike,
W. Perkins,
1968,
Folia phoniatrica.
Richard F. Curlee,
William H. Perkins,
R. Curlee,
1974
.
W. Perkins,
1980,
The Annals of otology, rhinology & laryngology. Supplement.
R. Curlee,
W. Perkins,
1968,
Journal of speech and hearing research.
J. Stocks,
W. Perkins,
J. Bell,
1979,
Journal of speech and hearing research.
W. Perkins,
1985
.