@article{oai:ir.soken.ac.jp:00003504,
 author = {池内, 了 and TOMISAKA, Kohji and HABE, Asao and IKEUCHI, Satoru},
 issue = {2},
 journal = {Astrophysics and Space Science, Astrophysics and Space Science},
 month = {Aug},
 note = {application/pdf, From the standpoint of view that the early type stars are formed sequentially at an OB association, it is expected that the supernova explosions will also occur sequentially. We study the expansion law of a supernova remnant, which is formed by sequential explosions of supernovae. The superbubbles and supershells with the radii 200∼1000 pc are naturally explained by this model. Assuming that the sequential explosion of supernovae occurs at every OB association, we deduce the star formation rate in our Galaxy.},
 pages = {273--285},
 title = {Sequential explosions of supernovae in an ob association and formation of a superbubble},
 volume = {78},
 year = {1981}
}