a Lutgens, Friderick K. \a Essential of Geology \h [Text] \c by Frederick K. Lutgens, Edwards J. Tarbuck - \a 7th-ed. // - \a New Jersey: \b Published by the Prentice Hall, \c 2000. - \a xiv,449p.: \b ill. \a Includes index ISBN: \a 0130145440 LC Class. No.: \a QE 26.3.L89 Lut / \b 513553