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"Directory Information Service. Detroit, MI: Gale Research Co.; 1977: over ..."
Albert C. Vara (1978)
- Albert C. Vara:
Directory Information Service. Detroit, MI: Gale Research Co.; 1977: over 300 pages per year. Three issues per year. Price: $36.00/yr. J. Am. Soc. Inf. Sci. 29(6): 318-319 (1978)
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