Absorption Module References

1. Gordon, I.E., Rothman, L.S., Hill, C., Kochanov, R.V., Tan, Y., Bernath, P.F., Birk, M., 
Boudon, V., Campargue, A., Chance, K.V. and Drouin, B.J., 2017. The HITRAN2016 molecular 
spectroscopic database. Journal of Quantitative Spectroscopy and Radiative Transfer, 203, pp.
3-69.

2. Kochanov, R.V., Gordon, I.E., Rothman, L.S., Wcisło, P., Hill, C. and Wilzewski, J.S., 2016. 
HITRAN Application Programming Interface (HAPI): A comprehensive approach to working with 
spectroscopic data. Journal of Quantitative Spectroscopy and Radiative Transfer, 177, pp.15-30.

3. Schreier, F., 2011. Optimized implementations of rational approximations for the Voigt and 
complex error function. Journal of Quantitative Spectroscopy and Radiative Transfer, 112(6), pp.
1010-1025.