<p>Ne-Spectrum. 
</p>
Own picture. Anton 2005
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Anton~commonswiki" title="User:Anton~commonswiki">Anton~commonswiki</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).