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022 _a0091-0635
040 _cAR-SmCIES
210 0 _aJ. RES. NATL. BUR. STAND.
222 0 _aJournal of research, National Bureau of Standards
245 0 0 _aJournal of research, National Bureau of Standards
260 _aWASHINGTON, d.c. :
_bNATIONAL BUREAU OF STANDARDS,
310 _aMensual
653 _aCIENCIAS EN GENERAL
785 1 6 _aJOURNAL OF RESEARCH, NATIONAL BUREAU OF STANDARDS, SEC. A: PHYSICS AND CHEMISTRY
785 1 6 _aJOURNAL OF RESEARCH, NATIONAL BUREAU OF STANDARDS, SEC. C: ENGINEERING AND INSTRUMENTATION
942 _2ddc
_cSEDE
_n0
999 _c13434
_d13434