Spectroscopic studies of salts of 4-methylbenzenesulfonic acid. IV. Internal vibrations of the cation in the infrared spectra of oxonium 4-methyl-benzenesulfonate

M. Ristova, B. Šoptrajanov, Spectroscopic studies of salts of 4-methylbenzenesulfonic acid. IV. Internal vibrations of the cation in the infrared spectra of oxonium 4-methylbenzenesulfonate, Macedonian Academy of Sciences and Arts, Contributions, Section of Mathematical and Technical Sciences, 17, 85–92 (1996).