TY - BOOK AU - PARASNIS, D. S. TI - PRINCIPLES OF APLLIED GEOPHYSICS T2 - 0 SN - 412-10980-8 U1 - 550 PY - 1962/// CY - LONDON-U.S.A. PB - CHAPMAN AND HALL LTD KW - CIENCIAS PURAS N1 - MAGNETIC GRAVITATIONAL/ELECTRICAL ER -