Garofalo, Rebee. Rockin' Out: Popular Music in the USA. Allyn & Bacon. 1997: 292. ISBN 0-205-13703-2. "Some groups, for example Blue Öyster Cult and Motörhead, added gratuitous umlauts to their names to conjure up a more generic gothic horror, a practice that continued into the 1980s with Mötley Crüe and others."
Charlie O'Mara: Interview (页面存档备份,存于互联网档案馆) with guitarist John Weinzierl (from Amon Düül 2). Silhobbit.com (prog. rock magazine). Link inserted 14-06-2012.
Charlie O'Mara: Interview (页面存档备份,存于互联网档案馆) with guitarist John Weinzierl (from Amon Düül 2). Silhobbit.com (prog. rock magazine). Link inserted 14-06-2012.