Buehler, S. A., V. O. John, A. Kottayil, M. Milz, and P. Eriksson (2010), Efficient radiative transfer simulations for a broadband infrared radiometer-Combining a weighted mean of representative frequencies approach with frequency selection by simulated annealing, JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 111(4), 602-615, doi:10.1016/j.jqsrt.2009.10.018.