Correction
AUG 01, 1973
DOI: 10.1063/1.3043325
June, page 9—The following caption was omitted from the photograph appearing in the letter to the editor written by F. Janouch: “Scene of central square in Prague. Photo credit: United Press International.”
July, page 47—The statement: “Copyright © The Nobel Foundation 1972” should have appeared at the end of John Bardeen’s article.
© 1973 American Institute of Physics
