1. Changes in atmospheric constituents and in radiative forcing;Forster,2007
2. CIGRE, Working Group 23.02 Task Force 01, Guide for SF6 Gas Mixtures, CIGRE Brochure 163, 2000.
3. SF6/N2 mixtures;Christophorou;IEEE Trans. Dielectr. Electr. Insul.,1995
4. Monitoringof SF6 gas admixtures in gas-insulated electrical equipment;Paul,2012
5. High-precision density sensor for concentration monitoring of binary gas mixtures;Kramer;Sens. Actuat. A,2013