@article{oai:tsukuba.repo.nii.ac.jp:00028722,
 author = {Lengline, O. and Enescu, B. and エネスク, ボグダン and Peng, Z. and Shiomi, K.},
 issue = {18},
 journal = {Geophysical Research Letters},
 month = {Sep},
 title = {Decay and expansion of the early aftershock activity following the 2011, Mw9.0 Tohoku earthquake},
 volume = {39},
 year = {2012}
}