A.A. Pervozvanskii ; Translated by Scripta Technica, Inc. ; Translation editor, Ivo Herzer. by V. V. Penkovskii. [Translated by Scripta Technica inc., Washington, D. C.] [by] N.S. Koshlyakov, M.M. Smirnov [and] E.B. Gliner ; translated by Scripta Technica, Inc. ; translation editor: Herbert J. Eagle. [by] R. Paul., Translated by Scripta Technica Ltd., English translation edited by D. Llanwyn-Jones.