Accurate determination of the free–free Gaunt factor – I. Non-relativistic Gaunt factors
van Hoof, P. A. M ; Williams, R. J. R ; Volk, K ; Chatzikos, M ; Ferland, G. J ; Lykins, M ; Porter, R. L ; Wang, Y
Monthly notices of the Royal Astronomical Society, 2014-10, Vol.444 (1), p.420-428 [Periódico revisado por pares]London: Oxford University Press
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