Octavian Bellu (English Wikipedia)

International Gymnast Magazine Gent victory marks new beginning for Izbasa, Amanda Turner, 14 September 2010
International Gymnast Magazine Stretching out: Cal’s precarious future and an update from Romania, by Dwight Normile, 18 June 2010
International Gymnast Magazine Stretching out: Olympic qualification & guess who’s back, by Dwight Normile, 1 June 2010
International Gymnast Magazine Romanian women top British hosts, by Amanda Turner, 14 August 2010

web.archive.org

"Romanian Champions". Archived from the original on 31 March 2010. Retrieved 3 October 2011.{{cite web}}: CS1 maint: bot: original URL status unknown (link) Octavian Bellu Champion Coach (interview in Romanian)
Federation Internationale de Gymnastique Archived 5 July 2009 at the Wayback Machine Octavian Bellu