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020 _aNULL
035 _a25286
082 _a543
_BECK
100 _aEckschlager, K.
245 0 _aErrors, Measurements & Results In Chemical Analysis
250 _a-
260 _aLondon
_bVan Nostrand
300 _a155
500 _a0
650 _aChemical Analysis
942 _cBK
999 _c25286
_d25286