Helbing, W., & Burkart, A. (1979). Chemical tables for laboratory and industry. Wiley Eastern.
Chicago Edition CitationHelbing, Wolfgang, i Adolf Burkart. Chemical Tables for Laboratory and Industry. New Delhi: Wiley Eastern, 1979.
Cita MLAHelbing, Wolfgang, i Adolf Burkart. Chemical Tables for Laboratory and Industry. Wiley Eastern, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.