@article{oai:nagoya.repo.nii.ac.jp:00031147,
 author = {Yamamoto, Toshio and Ōta, Hiroshi and Kōno, Kazutoyo},
 issue = {1},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Sep},
 pages = {1--80},
 title = {On the vibrations of a rotor with rotating inequality and with variable rotating speed},
 volume = {24},
 year = {1972}
}