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Kennedy, Lt-Col Mitch; Doran, LCpl Mark (3 March 2011). "Changes in artillery"(PDF). Army: The Soldiers' Newspaper. No. 1253. Canberra: Department of Defence. p. 3. ISSN0729-5685. Retrieved 7 January 2020.
worldcat.org
Kennedy, Lt-Col Mitch; Doran, LCpl Mark (3 March 2011). "Changes in artillery"(PDF). Army: The Soldiers' Newspaper. No. 1253. Canberra: Department of Defence. p. 3. ISSN0729-5685. Retrieved 7 January 2020.