@misc{Yamamoto_A._S._Preliminary_1936,
 author={Yamamoto, A. S.},
 address={Kyoto},
 howpublished={online},
 year={1936},
 publisher={The Kyoto Imperial University},
 language={eng},
 title={Preliminary General Catalogue of Comets},
 keywords={catalogue of comets, Kwasan Observatory},
}