000 00402nam a2200145Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aC:b673,N79
_bM0
245 0 _aNational measurement laboratory:1979 Tecnical highlight /
_cby.
250 _a1st ed /
260 _aWashinton :
_bNational Bereau Of Standards ,
_c1977
300 _av,114p :
650 _aPhysics
942 _cTB
999 _c38550
_d38550