TY - ECHAP AU - Isaac Shlosman AU - Marek Sikora CY - Berlin, Heidelberg DO - 10.1007/3-540-19492-4_208 M1 - Lecture Notes in Physics PB - Springer Berlin Heidelberg PP - Berlin, Heidelberg PY - 1988 SN - 978-3-540-19492-7 SP - 283 EP - 285 TI - Leakage of UHE photons from AGNs: Production of X-ray and γ-ray halos within 10\textendash30 KPC VL - 307 ER -