@misc{oai:jaxa.repo.nii.ac.jp:00030581,
 author = {竹島, 敏明 and Takeshima, Toshiaki},
 month = {Jul},
 note = {資料番号: SA8000335000},
 title = {Study of Aperiodic Variation in X-Ray Pulsars},
 year = {1994}
}