Mühlmann, Wolf-Rüdiger (1996). "Samael: Passage". Rock Hard (in German) (112). Rock Hard Verlags- und Handels- GmbH. ISSN1437-8140. Retrieved October 15, 2016.
Mühlmann, Wolf-Rüdiger (1996). "Samael: Passage". Rock Hard (in German) (112). Rock Hard Verlags- und Handels- GmbH. ISSN1437-8140. Retrieved October 15, 2016.