HOWELL, BENJAMIN F. INTRODUCTION TO GEOPHYSICS - 0 - NEW YORK-U.S.A. MCGARW-HILL BOOK COMPANY 1959 - 399 pag 24 cm - 0 0 . GEOCHRONOLOGY-EARTH/SEISMOLOGY-ISOSTASY Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 551 / H79