00491nam a22001217a 4500 230711b |||||||| |||| 00| 0 eng d National Science Library National Science Library Oliver, Lawrence H 12621 Investigation of the basic processes involved in the manual indexing of scientific documents / General Electric Company Bethesda, Maryland 11 February 1966 US: US Department of Commerce, 1966 E-7 udc REF 51029 51029 0 0 udc 0 0 80648 NSL NSL GF/Rk-8/C-3/R-2 1967-07-19 0 20569 2023-07-11 00:00:00 1967-07-19 REF