Hitchcock, R. Timothy 1950- Radio-frequency and ELF electromagnetic energies a handbook for health professionals R. Timothy Hitchcock, Robert M. Patterson. - New York Van Nostrand Reinhold c1995. - ix, 542 p. ill. 26 cm. Includes bibliographical references and indexes. ISBN: 0442009453 Subjects--Topical Terms: ELF electromagnetic fields--Health aspects.Nonionizing radiation--Health aspects.