TY - BOOK ID - 140893258 TI - The earth's magnetic field : its history, origin and planetary perspective AU - Merrill, Ronald T. AU - MacElhinny, Michael William PY - 1983 PB - London New York Paris Academic Press DB - UniCat KW - Magnétisme terrestre KW - Aardmagnetisme. UR - https://www.unicat.be/uniCat?func=search&query=sysid:140893258 AB - ER -