TY - BOOK AU - Gregersen,Erik TI - The Britannica guide to electricity and magnetism T2 - Physics explained SN - 9781615303052 AV - QC 527 B862 2011 U1 - 537 22 PY - 2011/// CY - New York, NY PB - Britannica Educational Pub. in association with Rosen Educational Services KW - Electricity KW - Popular works KW - Magnetism KW - Electricidad KW - Magnetismo N1 - Includes bibliographical references (p. 265-266) and index ER -