[0] http://www.engineeringtoolbox.com/thermal-conductivity-d_429...
[1] http://www.engineeringtoolbox.com/gas-density-d_158.html
[2] http://hyperphysics.phy-astr.gsu.edu/hbase/tables/viscosity....
[0] http://www.engineeringtoolbox.com/thermal-conductivity-d_429...
[1] http://www.engineeringtoolbox.com/gas-density-d_158.html
[2] http://hyperphysics.phy-astr.gsu.edu/hbase/tables/viscosity....