1. Dynamic programming;Bellman,1957
2. Broad, D. J. (1984). Vowels in context: Dynamics, statistics, and recognition. Technical memorandum CSRE-84-08: Center for Speech Research and Education, Voice Control Systems, Goleta CA [reprinted in Lea, W. A. (1989). Towards robustness in speech recognition. Apple Valley, MN: Speech Science Publications (pp. 373–408)].
3. A superposition model for coarticulation in certain CVC utterances;Broad;Journal of the Acoustical Society of America,1984
4. A methodology for modeling vowel formant contours in CVC context;Broad;Journal of the Acoustical Society of America,1987
5. Linear scaling of vowel formant ensembles (VFEs) in consonantal contexts;Broad;Speech Communication,2002