1994, Lees, R.M., R.R.J. Goulding, Saibei Zhao, W. Lewis-Bevan. J.W.C. Johns. D.P. Donovan, and C. Young, Assignments of Far-Infrared Laser Lines in the Co-stretching state of O-18 Methanol, Int. J. Infrared Millim. Waves, 15, pp. 1883–1906
Tags: CH4, FTIR, Microwave
1994, Sastry, K.V.L.N., J. Vanderlinde, D. Donovan, I. Mukhopadhyay and P.K. Gupta, Determination of the Dipole Moment of 13C Methanol by Microwave Stark Spectroscopy, Journal of Molecular Spectroscopy, 168
Tags: CH4, Microwave
1989, Zander, R., Ph. Demoulin, D. H. Ehhalt, and U. Schmidt, Secular increase of the vertical column abundance of methane derived from IR solar spectra recorded at the Jungfraujoch station, Journal of Geophysical Research, 94, 11,029-11,039
Tags: CH4, FTIR