Williams, A. G. Geotechnics, level IV / A.G. Williams. - New York : Van Nostrand Reinhold Co., 1982. - xvii, 365 p. : ill. ; 24 cm. - Higher technical education courses . Includes index. Bibliography: p. 300. ISBN: 0442303491 0442303505 (pbk.) LCCN: 81-014796 Subjects--Topical Terms: Rock mechanics.--------Soil mechanics.-------- Dewey Class. No.: 624.151 WIL