@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20140512-093337068, chapter = "Imaging Hard X-Ray/Gamma-Ray Observations of the Galactic Center Region", year = "1992", url = "https://resolver.caltech.edu/CaltechAUTHORS:20140512-093337068", id = "record" } @inbook{https://resolver.caltech.edu/CaltechAUTHORS:20140508-141125854, chapter = "Gamma-Ray Imaging Observations of Point Source Emission From the Galactic Center Region", year = "1990", url = "https://resolver.caltech.edu/CaltechAUTHORS:20140508-141125854", id = "record" }