- https://www.engineeringtoolbox.com/CO2-carbon-dioxide-properties-d_2017.html
- https://www2.iap.tuwien.ac.at/www/surface/vapor_pressure
- http://ddbonline.ddbst.com/AntoineCalculation/AntoineCalculationCGI.exe?component=Nitrogen
- LANGE’S HANDBOOK OF CHEMISTRY, James G. Speight, Ph.D.CD&W Inc., Laramie, Wyoming
- CRC Handbook of Chemistry and Physics 95th Edition, W. M. Haynes, Ph.D.