di Martino, M.; Blanco, C.; Riccioli, D.; de Sanctis, G. (Şubat 1994), "Lightcurves and rotational periods of nine main belt asteroids", Icarus, 107 (2), ss. 269-275, Bibcode:1994Icar..107..269D, doi:10.1006/icar.1994.1022.
Wang, Xiaobin; Muinonen, Karri; Han, Xianming L.; Kwok, Chi-Tai (January 2016), "Studies for slowly rotating asteroids (168) Sibylla and (346) Hermentaria", Asteroids: New Observations, New Models, Proceedings of the International Astronomical Union, IAU Symposium, 318, ss. 185-192, Bibcode:2016IAUS..318..185W, doi:10.1017/S1743921315008777.
di Martino, M.; Blanco, C.; Riccioli, D.; de Sanctis, G. (Şubat 1994), "Lightcurves and rotational periods of nine main belt asteroids", Icarus, 107 (2), ss. 269-275, Bibcode:1994Icar..107..269D, doi:10.1006/icar.1994.1022.
Wang, Xiaobin; Muinonen, Karri; Han, Xianming L.; Kwok, Chi-Tai (January 2016), "Studies for slowly rotating asteroids (168) Sibylla and (346) Hermentaria", Asteroids: New Observations, New Models, Proceedings of the International Astronomical Union, IAU Symposium, 318, ss. 185-192, Bibcode:2016IAUS..318..185W, doi:10.1017/S1743921315008777.