@electronic{shop.hessentag2008.de,
   title       = {Digi-Ticket.de - Hessentag 2008 in Homberg (Efze)}, 
   url         = {http://shop.hessentag2008.de/store/products},
   biburl      = {https://puma.uni-kassel.de/url/9932b0e815d2e70e6c6e1611117d5425/benz},
   keywords    = {hessentag online tickets ärztekonzert},
   added-at    = {2011-02-04T16:09:09.000+0100},
   description = {},
   interhash   = {9932b0e815d2e70e6c6e1611117d5425}, 
   intrahash   = {9932b0e815d2e70e6c6e1611117d5425}
}

@electronic{retrospectiva.org,
   title       = {Retrospectiva / Smarter Project Management}, 
   url         = {http://retrospectiva.org/overview},
   biburl      = {https://puma.uni-kassel.de/url/f84a0087b86bb4093a387653f455a4b0/benz},
   keywords    = {management project project_management retrospectiva software software_development tickets},
   added-at    = {2011-02-04T16:07:54.000+0100},
   description = {Open-source project management tool, intended to assist the collaborative aspect of work carried out by agile software development teams. },
   interhash   = {f84a0087b86bb4093a387653f455a4b0}, 
   intrahash   = {f84a0087b86bb4093a387653f455a4b0}
}