TY - BOOK ID - 134148509 TI - Observations on terrestrial magnetism in Mexico Conducted under the direction of Baron von Müller, with notes and illustrations of an examination of the volcano Popocatepetl and its vicinity. By August Sonntag PY - 1860 PB - Washington Smithsonian Institution DB - UniCat KW - Electronic texts KW - Geomagnetism KW - Online resources KW - Mexico KW - Popocatépetl (Mexico) UR - https://www.unicat.be/uniCat?func=search&query=sysid:134148509 AB - ER -