Plonsey, Robert. Principles and applications of elctromagnetic fields [by] Robert Plonsey [and] Robert E. Collin. - New York, McGraw-Hill, 1961. Includes bibliographical references. LCCN: 61011131 /L/r85 Subjects--Topical Terms: Electromagnetic fields. LC Class. No.: QC670 / .P7 Dewey Class. No.: 537.1