
%0 Journal Article
%A Jefferies, JT 
%T The High Temperature Excitation of Helium
%J Australian Journal of Physics
%D 1955/09/01
%V 8
%N 3
%P 335-346
%K 
%R https://doi.org/10.1071/PH550335
%U https://www.publish.csiro.au/paper/PH550335 
%X The relative populations of the helium ground state, the singlet and triplet state of principal quantum number 2 and 3, and the ionized state are obtained for an atmosphere isothermal at one of a number of kinetic temperatures in the range 104?105 °K. 
