W. Kim

发表

S. Oh, S. Serjeant, H. Lee, 2007, 0708.1796.

N. Takeyama, I. Sakon, K. Enya, 2007, 0705.4144.

Munetaka Ueno, Kazunori Uemizu, Takashi Onaka, 2004, SPIE Astronomical Telescopes + Instrumentation.