Holtz, Robert D. An introduction to geotechnical engineering / Robert D. Holtz, William D. Kovacs. - Englewood Cliffs, N.J. : Prentice-Hall, 1981. - xiv, 733 p. : ill. ; 24 cm. Includes index. Bibliogr.: p. 701-717. ISBN: 0133539121 0134843940 Subjects--Topical Terms: Soil mechanicsRock mechanics