@article{weko_59941_1,
   author	 = "Ichiro,Semba",
   title	 = "Generation of Permutations by Using a Stack or a Queue",
   journal	 = "Journal of Information Processing ",
   year 	 = "1982",
   volume	 = "5",
   number	 = "3",
   pages	 = "162--171",
   month	 = "sep"
}