@techreport{weko_90419_1,
   author	 = "Tetsushi,Matsui and Takeaki,Uno",
   title	 = "Algorithm to Generate All Connected Simple Graphs of Given Order",
   year 	 = "2013",
   institution	 = "Principles of Informatics Research Division, National Institute of Informatics, Principles of Informatics Research Division, National Institute of Informatics",
   number	 = "15",
   month	 = "feb"
}