MONO91
NIST Monograph 91: Automatic Indexing: A State-of-the-Art Report
Back Cover
back cover
Mary Elizabeth Stevens
National Bureau of Standards
U.S. DEPARTMENT OF COMMERCE
WASHINGTON, D.C. 20230
POSTAGE AND [OCRerr]EES PAID
OFFICIAL BUSINESS U.S. DEPARTMENT O[OCRerr] COMMERCE