Wyllie, Duncan C. Rock fall engineering / Duncan C. Wyllie - Boca Raton, FL : CRC Press, 2015 - xviii, 243 p. : ill. ; 26 cm. Includes bibliographical references and index ISBN: 9781482219975 (hbk.) Subjects--Topical Terms: Soil stabilizationRockslides--PreventionRock slopes