Quasars, pulsars, black holes and HEAO's
By: [by] R.F. Doolittle, Ken Moritz [and] R.D.C. Whilden.
Contributors: Moritz, Ken.; Whilden, R D C.; United States. National Aeronautics and Space Administration.
Publisher: National Aeromautics and Space Administration
Published: 1978
Place of publication: Washington
Language: eng