References
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- Kessler, M. M. 1960. An experimental communication center for scientific and technical information. — MIT Lincoln Laboratory, 4G-0002, (processed) 19 p.
- Luhn, H. P. 1959. Keyword-in-context index for technical literature (KWIC Index). — IBM Corp., Yorktown Heights, New York, U. S. A., 16 p.
- Mooers, C. N. 1960. The tape typewriter plan: A method for cooperation in documentation. — Zator Technical Bulletin N°. 137, Zator Company, Cambridge, Mass., U. S. A., 22 p. (Also in ASLIB Proc. 12 (8), 277–291, Aug. 1960.)
- O'connor, J. S., and Saila, S. B. 1962. A developing aquatic sciences information retrieval system. — Trans. Amer. Fish. Soc. 91 (2), 151–154.