F. Bimbot, M. El-bèze, and M. Jardino, An alternative scheme for perplexity estimation, 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing, 1997.
DOI : 10.1109/ICASSP.1997.596230
URL : https://hal.archives-ouvertes.fr/inria-00100687

H. Cerf-danon and M. El-beze, Three different probabilistic language models: comparison and combination, [Proceedings] ICASSP 91: 1991 International Conference on Acoustics, Speech, and Signal Processing, 1991.
DOI : 10.1109/ICASSP.1991.150335

B. Habert, G. Adda, M. Adda-decker, P. Boula-de-mareuil, S. Ferrari et al., The need for tokenization evaluation, Proc. on LREC, 1998.

M. Jardino, Multilingual stochastic n-gram class language models, 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings, 1996.
DOI : 10.1109/ICASSP.1996.540315
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.55.1390

K. Smaïli, I. Zitouni, F. Charpillet, and J. P. Haton, An Hybrid language model for a continuous dictation prototype, Proc. on EUROSPEECH 1997, p.2755, 1997.