Helbing, W., & Burkart, A. (1979). Chemical tables for laboratory and industry. Wiley Eastern.
Chicago Style aipamenaHelbing, Wolfgang, and Adolf Burkart. Chemical Tables for Laboratory and Industry. New Delhi: Wiley Eastern, 1979.
MLA aipamenaHelbing, Wolfgang, and Adolf Burkart. Chemical Tables for Laboratory and Industry. Wiley Eastern, 1979.
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