title: Spectrum of the extra-galactic background radiation at low radio frequencies.
authors.affiliation: Laboratory for Extraterrestrial Physics, Goddard Space Flight Center, Greenbelt, Maryland, USA.
authors.forename: T A
authors.initials: TA
authors.lastname: Clark
authors.forename: L W
authors.initials: LW
authors.lastname: Brown
authors.forename: J K
authors.initials: JK
authors.lastname: Alexander