TY - JOUR AU - Michal Chodorowski AU - A. Zdziarski AU - Marek Sikora BT - The Astrophysical Journal DA - Jan-11-1992 DO - 10.1086/171984 PY - 1992 EP - 181 T2 - The Astrophysical Journal TI - Reaction rate and energy-loss rate for photopair production by relativistic nuclei UR - http://articles.adsabs.harvard.edu/full/1992ApJ...400..181C VL - 400 SN - 0004-637X ER -