000			00616nam a22001817a 4500
008			230213b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aD 001.81 _bK5
100			_aStevens, Mary Elizabeth _9356
245			_aAutomatic indexing: _bA state-of-the-art report
260			_aWashington: _bThe Superintendent of Documents, U.S., _c1965
300			_av, 220p.
490			_aNational Bureau of Standards monograph, Vol. 91
650			_aNational Bureau of Standards
653			_aDepartment of commerce
653			_aUnited States
942			_2udc _cREF
999			_c1016 _d1016