Image for <a href="//commons.wikimedia.org/wiki/BSicon" title="BSicon">BSicon</a> diagrams
<a href="https://de.wikipedia.org/wiki/User:Bernina" class="extiw" title="de:User:Bernina">Bernina</a>
2006-09-30
<span class="int-own-work" lang="en">Own work</span>