Bibcode:1999ApJ...522..935G. doi:10.1086/307659. CS1 관리 - 여러 이름 (링크) Bahcall, JohnN.; Piran, Tsvi; Weinberg, Steven (2004). Dark matter in the universe
1086/186345. Piran, T. (1997). “Toward understanding gamma-ray bursts”. Bahcall, J.N. and Ostriker, J. Unsolved Problems in Astrophysics. 343쪽. Bibcode:1997upa