5 1 40 Exploring the Shallow Subsurface Burger,H.Robert Primary Author Sheehan,Anne F Additional Author Jones,Craig H Additional Author mixed material 0393926370 New York W.W Norton dan Company 2006 geophysics.jpg.jpg DEWITT, J. Additional Author mixed material New York Gordon and Breeach Science 1963 GEOPHSIQUE_Exterieure_Geophysics_the_earth_Environment.jpg The Earth Interior Jean Claude de Bremaecker Additional Author mixed material 0471878154 New York John Willey and Sons 1985 GeophysicsThe_Earth_Interior.jpg HOWELL, Benjamin F. Additional Author mixed material New York McGRAW-HILL BOOK COMPANY 1959 Benjamin F Howell Additional Author mixed material New York Mc Graw-Hill Book Company 1959