Craig,James R. Resources of the earth / James R.Craig,David J.Vaughan and Brian J.Skinner. - - Englewood Cliffs : Prentice Hall, 1988 xi,395 p. : plates (col.),illus.,fig.,maps,tables
Includes appendix,glossary,index
137744234 * * Ecconomics * Economics of Land Energy * Vaughan,David J. *