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Wiki Markup \[scale=0.8\] will scale the picture by a factor of 0.8
Wiki Markup \[width=0.5\textwidth\]will make the picture width to be 80 % of the total text width
Details can be found here
Special Characters
Seehttp://en.wikibooks.org/wiki/LaTeX/Accents with a whole summary of Accents and special characters
Citations
will be handled using BibTeX, hence it needs some additional steps. In the LaTeX document you refer to the article book, etc.with
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