The following publications are possibly variants of this publication:
- System Organizations for Speech Understanding: Implications of Network and Multiprocessor Computer Architecture for AILee D. Erman, R. D. Fenneli, Victor R. Lesser, D. R. Reddy. IJCAI 1973: 194-199
- Speech Understanding SystemsMark F. Medress, Franklin S. Cooper, James W. Forgie, C. C. Green, Dennis H. Klatt, Michael H. O Malley, Edward P. Neuburg, Allen Newell, Raj Reddy, H. Barry Ritea, J. E. Shoup-Hummel, Donald E. Walker, William A. Woods. ai, 9(3):307-316, 1977.