Yeh-Hao Chin, Jun-Wun Jou, W.-H. Peng, Chen-Chau Yang. An automatic telephone directory inquiry service system. In Roger C. Brown, Donald E. Glaze, editors, Proceedings of the 1974 ACM Annual Conference, San Diego, California, USA, November 1974, Volume 1. pages 231-238, ACM, 1974. [doi]
Abstract is missing.