(1962). ASTM standards on methods of atmospheric sampling and analysis: Methods of testing, recommended practices, definitions (2nd ed.). Philadelphia: American Society for Testing and Materials.
Παραπομπή Chicago StyleASTM Standards On Methods of Atmospheric Sampling and Analysis: Methods of Testing, Recommended Practices, Definitions. 2nd ed. Philadelphia: American Society for Testing and Materials, 1962.
Παραπομπή MLAASTM Standards On Methods of Atmospheric Sampling and Analysis: Methods of Testing, Recommended Practices, Definitions. 2nd ed. Philadelphia: American Society for Testing and Materials, 1962.
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