Automatic Phonetic Baseform Determination L R Bahl author S Das author P V deSouza author M Epstein author R L Mercer author B Merialdo author D Nahamoo author M A Picheny author J Powell author 1990 text Speech and Natural Language: Proceedings of a Workshop Held at Hidden Valley, Pennsylvania, June 24-27,1990 conference publication bahl-etal-1990-automatic https://aclanthology.org/H90-1038/ 1990