Meyer, F., Dupre, J., Meyer, C., Lambeau, C., Devleeschouwer, M., Lahaye, JG., & Fayt, A. (1982). Simultaneous Analysis of Laser Stark and High-resolution Infrared-spectra - the Nu-5 Band of Methylacetylene. International Journal of Infrared and Millimeter Waves, 3(1), 83-95. https://doi.org/10.1007/BF01007203 (Original work published 1982)