Abe, Shinsuke u. a.: "Earth-grazing fireball on March 29, 2006" (englisch), European Planetary Science Congress 2006, bibcode:2006epsc.conf..486A, S. 486.; 'the first and second Earth-grazing fireballs observed on August 10 1972 (Jacchia, 1974; Ceplecha, 1979) and on October 13 1990 (Borovicka and Ceplecha, 1992)'
Observation of Meteoroid Impacts by Space-Based Sensors (Memento vom 20. Oktober 2007 im Internet Archive) (englisch) – Edward Tagliaferri für die ASP, 2013; 'It was first detected by satellite at an altitude of about 73 km, tracked as it descended to about 53 km, and then tracked as it climbed back out of the atmosphere', 'object is still in an Earth-crossing orbit around the Sun and passed close to the Earth again in August 1997'
C. Kronberg: "Daylight Fireball of August 10, 1972" (Memento vom 20. Januar 2005 im Internet Archive), Munich Astro Archive, (englischsprachig archivierte Zusammenfassung von Gary W. Kronk auf der Grundlage von frühen Analysen und dem Paper von Zdenek Ceplecha (1994 in Astronomy and Astrophysics erschienen)); '3 meters, if a carbonaceous chondrite, or as large as 14 meters, if composed of cometary materials', 'post-encounter [...] 2 or 10 meters'