Devyatkin, A. V.; et al. (November 2008), "Photometric observations of solar system bodies with ZA-320M automatic mirror astrograph in Pulkovo observatory", Planetary and Space Science, vol. 56, no. 14, pp. 1888–1892, Bibcode:2008P&SS...56.1888D, doi:10.1016/j.pss.2008.02.014. See Table 1.
Pilcher, Frederick (October 2011), "Rotation Period Determinations for 11 Parthenope, 38 Leda, 111 Ate 194 Prokne, 217 Eudora, and 224 Oceana", The Minor Planet Bulletin, vol. 38, no. 4, pp. 183–185, Bibcode:2011MPBu...38..183P.
Devyatkin, A. V.; et al. (November 2008), "Photometric observations of solar system bodies with ZA-320M automatic mirror astrograph in Pulkovo observatory", Planetary and Space Science, vol. 56, no. 14, pp. 1888–1892, Bibcode:2008P&SS...56.1888D, doi:10.1016/j.pss.2008.02.014. See Table 1.