TY - BOOK AU - Chapman,Sydney AU - Bartels,Julius . TI - Geomagnetism T2 - International series of monographs on physics U1 - 538.7 19 PY - 1940/// [reprinted 1951] CY - Oxford : PB - Clarendon Press KW - Geomagnetism N1 - "Third impression ... corrected." UR - http://www.worldcat.org ER -