by Takahashi, Yoshihiro, Ohki, Takahiro, Nagasawa, Takaharu, Nakajima, Yasuhito, Kawanabe, Ryu, Ohnishi, Kazunori, Hirao, Toshio, Onoda, Shinobu, Mishima, Kenta, Kawano, Katsuyasu, Itoh, Hisayoshi
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01.07.2007)