The physical principles of electron paramagnetic resonance / G. E. Pake [and] T. L. Estle. Pake, G. E. (George Edward) Estle, T. L. (Thomas Leo), 1931- joint author. Electron paramagnetic resonance. QC762 .P3 1973 538.3 PAP First ed. published in 1962 under title: Paramagnetic resonance. Includes bibliographical references and index. Reading, Mass. : W. A. Benjamin, Advanced Book Program, c1973. c1973. 1973 Text xiv, 306 p. : Frontiers in physics eng Frontiers in physics