Optical characteristics of young quasars as sources of the cosmic x-ray backgroundElihu Boldt · First published 1983Open the Tome
2-20 kev spectrum of x-rays from the Crab Nebula and the diffuse background near galactic anticenterElihu Boldt · First published 1968Open the Tome
A balloon borne x-ray survey of the central region of the galaxyElihu Boldt, Henry Doong, Peter J. Serlemitsos · First published 1967Science FictionOpen the Tome
