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Stewart, Erica (18 December 2006). "Vandenberg successfully launches Delta II". Air Force Space Command. 30th Space Wing Public Affairs. Archived from the original on 2 March 2008. Retrieved 22 February 2008. This article incorporates text from this source, which is in the public domain.
Siemer, Hannah (17 April 2009). "Littering fine paid". The Esperance Express. Archived from the original on 24 January 2011. Retrieved 23 September 2011.