@electronic{www.prepaidreviews.com,
   title       = {Best Rated Pay as You Go Phone Plans | Prepaid Reviews}, 
   url         = {http://www.prepaidreviews.com/bestrated.html},
   biburl      = {https://puma.uni-kassel.de/url/0976f69e89c929a4c1ee477364a76ddc/benz},
   keywords    = {cellphone handy prepaid simcard us usa},
   added-at    = {2011-02-04T16:07:29.000+0100},
   description = {Find the best rated phone plans for your Pay As You Go cellphone. Read our reviews or shop for great deals on top plans.},
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}

@electronic{paygsimwithdata.wikia.com,
   title       = {Pay as you go sim with data Wiki}, 
   url         = {http://paygsimwithdata.wikia.com/wiki/Pay_as_you_go_sim_with_data_Wiki},
   biburl      = {https://puma.uni-kassel.de/url/4f23435e1c2f9f3268bd442cfec239ad/hotho},
   keywords    = {Handy Tarife prepaid wiki},
   added-at    = {2010-09-16T22:20:22.000+0200},
   description = {Pay as you go sim with data Wiki is a community site that anyone can contribute to. Discover, share and add your knowledge!},
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}