@misc{oai:jaxa.repo.nii.ac.jp:00030785,
 author = {足原, 修 and Ashihara, Osamu},
 month = {Aug},
 note = {資料番号: SA8000539000},
 title = {A Theoretical Determination of the Density at a Traveling Source that Emitts Particles},
 year = {1986}
}