000 00440nam a22001217a 4500
008 230721b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aDefence documentation center for scientific and technical information
_c/ U. S. Department of Commerce
260 _aCalifornia:
_bU. S. Department of Commerce,
_c1967
650 _aAutomation
653 _aIndexing
942 _2udc
_cREF
999 _c56589
_d56589