@article{weko_12050_1,
   author	 = "E, T and MUKAI, J",
   title	 = "A classification of some S3-bundles",
   journal	 = "信州大学理学部紀要",
   year 	 = "1997",
   volume	 = "31",
   number	 = "2",
   pages	 = "55--58",
   month	 = "mar"
}