Underhill, Earl M. Permanent magnet handbook. Edited by Earl M. Underhill. Authors: Richard M. Bozorth [and others] - 1st ed. - Pittsburgh Crucible Steel, c1957. - 1 v. (loose-leaf) illus. 25 cm. ISBN: Null LCCN: a 59001333 Subjects--Topical Terms: Magnets.Magnetic materials.Ferromagnetism. LC Class. No.: QC757 / .C7 Dewey Class. No.: 537.0782