@electronic{igraph.sourceforge.net,
   title       = {R: Generate coordinates for plotting graphs}, 
   url         = {http://igraph.sourceforge.net/doc/R/layout.html},
   biburl      = {https://puma.uni-kassel.de/url/271878e88e4b7fc678afd2f529b99397/stephandoerfel},
   keywords    = {coord coordinates graph igraph layout r},
   added-at    = {2011-12-18T17:56:12.000+0100},
   description = {},
   interhash   = {271878e88e4b7fc678afd2f529b99397}, 
   intrahash   = {271878e88e4b7fc678afd2f529b99397}
}