Petersen 2008, pp. 75–98. The official purpose and size and length of Camp Century tunnels given on p.78. Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.
Petersen 2008, p. 80 Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.
Petersen 2008, p. 79 Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.
Weiss, Erik D. “Cold War Under the Ice: The Army’s Bid for a Long-Range Nuclear Role, 1959–1963.” Journal of Cold War Studies, vol. 3, no. 3, 2001, pp. 31–58. JSTOR website Retrieved 12 Apr. 2025.
Petersen 2008, pp. 75–98. The official purpose and size and length of Camp Century tunnels given on p.78. Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.
Petersen 2008, p. 80 Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.
Petersen 2008, p. 79 Petersen, Nikolaj (March 2008). "The Iceman That Never Came: 'Project Iceworm', the search for a NATO deterrent, and the Kingdom of Denmark, 1960–1962". Scandinavian Journal of History. 33 (1). doi:10.1080/03468750701449554. S2CID142526881.