000 00413nam a22001217a 4500
008 230721b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aAutomatic selective documentation services
_c/ U. S. Department of Commerce
260 _aCalifornia:
_bU. S. Department of Commerce,
_c1971
650 _aAutomation
653 _aIndexing
942 _2udc
_cREP
999 _c53970
_d53970