SUPERNARROW RESONANCES IN METHANE ON E-LINE OF THE P(7) TRANSITION OF THE ν3 BAND AND THEIR APPLICATION IN OPTICAL FREQUENCY STANDARDS S. N. Bagayev, V. P. Chebotayev, A. S. Dychkov et S. V. MaltsevJ. Phys. Colloques, 42 C8 (1981) C8-21-C8-28DOI: https://doi.org/10.1051/jphyscol:1981803