@article{weko_95693_1,
   author	 = "Akihiro,Uejima and Fuhito,Yanagitani and Shohei,Tsukamoto",
   title	 = "The Complexity of Tantrix Match Puzzles with Four Colors",
   journal	 = "Journal of information processing",
   year 	 = "2013",
   volume	 = "21",
   number	 = "3",
   pages	 = "405--412",
   month	 = "jul"
}