Extension of the branching-ratio method for intensity calibration between 1500 and 2600 Å Back to all publications Publication date 1 January 1968 Reference J.F.M. Aarts and F.J. de Heer, Extension of the branching-ratio method for intensity calibration between 1500 and 2600 Å, J. Opt. Soc. Am. 58, 1666-1667 (1968) Request this article