A38
ANALYTICAL
CHEMISTRY
THE LABORATORY SUP The results to be gained from advertising
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For
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re
spondents were asked what single phase of the Society's activities had done them the most good, 8 1 % answered "Publica
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Total Directory inches per_ year are based on Directory space used in all American Chemical Society Publicationi. Column A applies when Chemical and Engineering News is used alone or in com bination with any other Society publications. Column Β applies when Industrial and Engineering Chemistry or Analytical Chem istry are used singly or together. Industrial and Engineering Chemistry
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