Pure Appl. Chem., 1964, Vol. 9, No. 4, pp. 461-472
http://dx.doi.org/10.1351/pac196409040461
Some aspects of transitions between electronic levels
First page:
Pure Appl. Chem., 1964, Vol. 9, No. 4, pp. 461-472
http://dx.doi.org/10.1351/pac196409040461