- Fletcher , Harvey . 1953 . Speech and Hearing in Communication 351 – 352 . Princeton
- Ochiai , Y. , Saite , S. and Sakai , Y. 1955 . “Articulation Study of Speech Qualities in Rotational Synchronous Distortion,” . Memoirs of Faculty Engineering Nagoya , VII May : 40 – 48 .
- Kurtzrock , George . 1956 . “The Effect of Time and Frequency Distortion upon Word Intelligibility,” . University of Illinois . unpubl. diss.
- Fairbanks , G. , Everett , W. and Jaeger , R. 1954 . “Method for Time or Frequency Compression of Speech,” . Transactions of Institute of Radio Engineers , AU2 January‐February : 7 – 12 .
- Tiffany , William and Bennett , Delmond . 1961 . “The Intelligibility of Slow‐Played Speech,” . Journal of Speech and Hearing Research , IV September : 248 – 258 .
- Egan , J. P. 1948 . “Articulation Testing Methods,” . The Laryngoscope , LVIII September : 955 – 991 .
- Miller , George and Nicely , Patricia . 1955 . “An Analysis of Perceptual Confusions among some English Consonants,” . Journal of the Acoustical Society of America , XXVII March : 338 – 352 .
Central States Speech Journal
Volume 20, 1969 - Issue 4