Mixture distributions for the statistical time delay in synthetic air at low pressure Aleksandar P. Jovanović, Biljana Č. Popović, Vidosav Lj. Marković, Suzana N. Stamenković and Marjan N. Stankov Eur. Phys. J. Appl. Phys., 67 2 (2014) 20801 Published online: 01 August 2014 DOI: 10.1051/epjap/2014140145