B. Ballard, J. C. Lusth, and N. Tinkham, "LDC-1: A Transpor…

B. Ballard, J. C. Lusth, and N. Tinkham, "LDC-1: A Transportable, Knowledge-Based Natural Language Processor for Office Environments", ACM Transactions on Office Information Systems, 2 (1), 1984.