Hanna, Thomas H. Foundations in tension : ground anchors / by Thomas H. Hanna. - Clausthal-Zellerfeld, Germany : Trans Tech Publications, 1982. - xix, 573 p. : ill. ; 24 cm. - Series on rock and soil mechanics v. 6 (1982). 0080-9004 . Includes bibliographical references and indexes. ISBN: 0878490442 Subjects--Topical Terms: Foundations.Anchorage (Structural engineering).