Half of 6/22 data were taken by Don Pray at Carbuncle Hill Observatory.
The Lightcurve of Asteroid 7262 Sofue
Russell I.; Pray, Donald, P.; Pravec, Petr
The Minor Planet Bulletin (ISSN 1052-8091). Bulletin of the Minor Planets Section
of the Association of Lunar and Planetary Observers, Vol. 34, No. 2, p. 40 (2007)