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Delta A
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<h2 id="references">References</h2> <ol> <li id="fn:1"><p>Wade, Mark. "Delta". Encyclopedia Astronautica. Archived from the original on 24 July 2008. Retrieved 9 February 2009. <a href="https://web.archive.org/web/20080724064027/http://www.astronautix.com/lvs/delta.htm" target="_blank">https://web.archive.org/web/20080724064027/http://www.astronautix.com/lvs/delta.htm</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Krebs, Gunter. "Thor family". Gunter's Space Page. Retrieved 9 February 2009. <a href="http://space.skyrocket.de/doc_lau_fam/thor.htm" target="_blank">http://space.skyrocket.de/doc_lau_fam/thor.htm</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>