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−-*- mode: outline -*-
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−
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−* About.
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−
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−Usually constructed from TeX/LaTeX source.
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−
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−  http://en.wikipedia.org/wiki/Reference_card
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−
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−* Hosting site.
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−
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−  http://refcards.com
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−  http://www.digilife.be/quickreferences/quickrefs.htm