Bird, R. G. EDM traverses : measurement, computation, and adjustment / R.G. Bird. - Harlow, Essex, England : New York, NY : Longman Scientific & Technical ; Wiley, 1989. - xii, 148 p. : ill. ; 24 cm. Includes index. Bibliography: p. [145]-[146] ISBN: 0470213183 LCCN: 88025041 Subjects--Topical Terms: Traverses (Surveying)Electromagnetic measurements. LC Class. No.: TA585 / .B53 1989 Dewey Class. No.: 526.3/3