Karl Georg Wieseler (1813–83), Untersuchungen Zur Geschichte Und Religion Der Alten Germanen in Asien und Europa, 1881, p. 157.
The suggestion of a specifically Gothic variant of the runic alphabet partially preserved in the Gothic alphabet is due to Jacob Grimm's Deutsche Mythologie (1835).
landesmuseum-fuer-vorgeschichte-halle.de
entry at the Nebra sky disk exhibition site (landesmuseum-fuer-vorgeschichte-halle.de)