TY - BOOK AU - Rajaram Girija AU - Pisharoty P R TI - Earth's magnetic field SN - 8120411331 (hbd) U1 - H:(C7), N8 PY - 1998/// CY - New Delhi PB - Oxford IBH Publishing Co Pvt Ltd KW - Magnetism KW - Geology N1 - Includes bibliographical references ER -