000 00378nam a22001337a 4500
008 230724b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a5/6(1-77)(05)
245 _aScientific instruments:
_bGaps in technology
260 _aParis:
_bOECD,
_c1968
300 _aix, 178p.
650 _aReport
942 _2udc
_cREP
999 _c54715
_d54715