Soviet Maser Research

A Theoretical Study of the Frequency Stability of a Maser.- Characteristics of Masers (The J = 3, K = 3 Line of N14H3).- Theory of the Hyperfine Structure of the Rotational Spectra of Molecules.- The ND3 Maser.- Bibliography of Papers Published by Members of the Oscillation Laboratory of the Physics Institute, Academy of Sciences (FIAN), USSR, 1935 1961.