TY  - RPRT
TI  - X-ray echoes from gamma-ray bursts
AU  - Dermer, Charles D.
AU  - Hurley, Kevin C.
AU  - Hartmann, Dieter H.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19910042459
ID  - 19910042459
ER  -