@article{CTT100726252, author = {Kei E. I. Tanaka and Taishi Nakamoto and Kazuyuki Omukai}, title = {Photoevaporation of Circumstellar Disks Revisited: The Dust-free Case}, journal = {The Astrophysical Journal}, year = 2013, } @article{CTT100726253, author = {Kyoko K. Tanaka and Tetsuo Yamamoto and Hidekazu Tanaka and Hitoshi Miura and Makiko Nagasawa and Taishi Nakamoto}, title = {Evaporation of Icy Planetesimals Due to Bow Shocks}, journal = {The Astrophysical Journal}, year = 2013, }