Iain Banks, Tony Pollard: Beyond Recall: Searching for the Remains of a British Secret Weapon of World War I. In: Journal of Conflict Archaeology. Band9, Nr.3, September 2014, ISSN1574-0773, S.119–155, doi:10.1179/1574077314Z.00000000037 (tandfonline.com [abgerufen am 21. Juni 2024]).
Iain Banks, Tony Pollard: Beyond Recall: Searching for the Remains of a British Secret Weapon of World War I. In: Journal of Conflict Archaeology. Band9, Nr.3, September 2014, ISSN1574-0773, S.119–155, doi:10.1179/1574077314Z.00000000037 (tandfonline.com [abgerufen am 21. Juni 2024]).
telegraph.co.uk
Jasper Copping: Secret terror weapon of the Somme battle “discovered” In: The Sunday Telegraph, Telegraph Media Group, 9. Mai 2010. Abgerufen am 11. April 2011 (englisch). „Unleashed at the start of the Battle of the Somme, it produced a terrifying effect the like of which had never before been seen on a battlefield.“
zdb-katalog.de
Iain Banks, Tony Pollard: Beyond Recall: Searching for the Remains of a British Secret Weapon of World War I. In: Journal of Conflict Archaeology. Band9, Nr.3, September 2014, ISSN1574-0773, S.119–155, doi:10.1179/1574077314Z.00000000037 (tandfonline.com [abgerufen am 21. Juni 2024]).