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- [46] Period of the bifilar pendulum for large amplitudes JOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS, 1923, 7 (03): : 263 - 274
- [47] The period of a maintained pendulum by the alternative current COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1944, 219 : 53 - 54