@electronic{www.researchgate.net,
   title       = {Scientific Network | ResearchGATE}, 
   url         = {https://www.researchgate.net/},
   biburl      = {https://puma.uni-kassel.de/url/e1de8d67d6a1fbdc612e1bbc3ec0b0c6/benz},
   keywords    = {collaboration network researchgate scientific social_network},
   added-at    = {2011-02-04T16:08:01.000+0100},
   description = {ResearchGATE is a scientific network that connects researchers. Find research partners, collaborate with scientists and explore journal articles.},
   interhash   = {e1de8d67d6a1fbdc612e1bbc3ec0b0c6}, 
   intrahash   = {e1de8d67d6a1fbdc612e1bbc3ec0b0c6}
}

@electronic{hubzero.org,
   title       = {HUBzero - Platform for Scientific Collaboration}, 
   url         = {http://hubzero.org/},
   biburl      = {https://puma.uni-kassel.de/url/feb108e7bc95e23b4679f8d42012e7a7/benz},
   keywords    = {collaboration communities hubzero scientific},
   added-at    = {2011-02-04T16:07:00.000+0100},
   description = {HUBzero™ is a platform used to create dynamic web sites for scientific research and educational activities. With HUBzero, you can easily publish your research software and related educational materials on the web. },
   interhash   = {feb108e7bc95e23b4679f8d42012e7a7}, 
   intrahash   = {feb108e7bc95e23b4679f8d42012e7a7}
}