Donald B. Crouch, David Lefkovitz, Julius T. Tou, Chung-Shu Yang. SIGIR(Tutorial Session). In John A. Gosden, Olin G. Johnson, editors, Proceedings of the 1976 Annual Conference, Houston, Texas, USA, October 20-22, 1976. pages 181, ACM, 1976. [doi]
Abstract is missing.