@electronic{www.microm-online.de,
   title       = {Sinus-Milieus | Sinus-Studie-Milieus: microm Consumer Marketing}, 
   url         = {http://www.microm-online.de/zielgruppe/strategische-zielgruppen/microm-geo-milieusr/},
   biburl      = {https://puma.uni-kassel.de/url/28efa9ff442921fc84a0a649d539a3ff/stumme},
   keywords    = {Geo Microm Milieu Sinus Studie},
   added-at    = {2015-05-26T17:41:11.000+0200},
   description = {},
   interhash   = {28efa9ff442921fc84a0a649d539a3ff}, 
   intrahash   = {28efa9ff442921fc84a0a649d539a3ff}
}

@electronic{de.wikipedia.org,
   title       = {Sinus-Milieu – Wikipedia}, 
   url         = {http://de.wikipedia.org/wiki/Sinus-Milieu},
   biburl      = {https://puma.uni-kassel.de/url/1daf443e69bf906607118f6575266d5f/stumme},
   keywords    = {deutschland erhebung milieu sinus studie},
   added-at    = {2011-11-14T15:05:58.000+0100},
   description = {},
   interhash   = {1daf443e69bf906607118f6575266d5f}, 
   intrahash   = {1daf443e69bf906607118f6575266d5f}
}