J. S. Baer, A. S. Rettig, I. Cohen. On-line sales recording system. In Morton M. Astrahan, editor, Papers and discussions presented at the 1957 eastern joint computer conference: Computers with deadlines to meet, IRE-ACM-AIEE 1957 (Eastern), Washington, D.C., USA, December 9-13, 1957. pages 251-256, ACM, 1957. [doi]
Abstract is missing.