Christe《Sound of the Beast: The Complete Headbanging History of Heavy Metal》哈潑柯林斯(2004)ISBN 978-0380811274,第276頁 Michael Moynihan、Didrik Søderlind《Lordsof Chaos》(1998)ISBN
Oden on Our Side review. LordsofMetal. [2011-01-01]. (原始内容存档于2012-10-14). Metal Blade Records video. - Yohan Hegg speaking of the Surtur Rising concept