(1990). Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC.
Chicago-referens (17:e uppl.)Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC, 1990.
MLA-referens (8:e uppl.)Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC, 1990.
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