TY - JFULL ID - 69929717 TI - Researches of the Department of Terrestrial Magnetism PY - 1912 SN - 01456326 PB - Washington, D.C. Carnegie Institution of Washington DB - UniCat KW - Geophysics UR - https://www.unicat.be/uniCat?func=search&query=sysid:69929717 AB - ER -