Sheridan, Edwin E. (2003). "Rotation periods and lightcurve photometry of 322 Phaeo and 472 Roma". The Minor Planet Bulletin. 30 (2): 28. Bibcode:2003MPBu...30...28S. ISSN1052-8091.
Sheridan, Edwin E. (2003). "Rotation periods and lightcurve photometry of 322 Phaeo and 472 Roma". The Minor Planet Bulletin. 30 (2): 28. Bibcode:2003MPBu...30...28S. ISSN1052-8091.