<a href="https://en.wikipedia.org/wiki/Belousov-Zhabotinsky_reaction" class="extiw" title="en:Belousov-Zhabotinsky reaction">en:Belousov-Zhabotinsky reaction</a>
<a href="//commons.wikimedia.org/wiki/User:Rifleman_82" title="User:Rifleman 82">Rifleman 82</a>
2008-09-30 10:06
<span class="int-own-work" lang="en">Own work</span>