Correction

R.N. Bracewell, author of "Radio Interferometry of Discrete Sources" and "Restoration in the Presence of Errors," which appeared on pages 97 and 106, respectively, of the January, 1958, issue of Proceedings of the IRE, has informed the editors that these two papers were incorrectly credited. The work reported was carried out entirely at Stanford University, Stanford, Calif., USA and supported throughout by the US Air Force Office of Scientific Research, Contract AF 18(603)-53.