@electronic{www.smashingmagazine.com,
   title       = {Cheat Sheet Round-Up: Ajax, CSS, LaTeX, Ruby… | Web-Tools}, 
   url         = {http://www.smashingmagazine.com/2006/10/30/cheat-sheet-round-up-ajax-css-latex-ruby/},
   biburl      = {https://puma.uni-kassel.de/url/2721cb20cf0258790d6eb3b39c1b322e/hotho},
   keywords    = {ajax cheat css html java programming sheet web},
   added-at    = {2007-09-04T13:38:30.000+0200},
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}

@electronic{www.alvit.de,
   title       = {Web Developer's Handbook: developing web-sites, exploring own imagination | CSS, Color Tools, SEO, Usability etc.}, 
   url         = {http://www.alvit.de/handbook/},
   biburl      = {https://puma.uni-kassel.de/url/1b2ab251af9233fa3d27fafbe0352933/hotho},
   keywords    = {web development ajax seo link css sammlung},
   added-at    = {2006-01-23T10:05:23.000+0100},
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