TY - BOOK T1 - Terrestrial magnetism and electricity A1 - Fleming, J.A LA - English PP - New York PB - McGraw-Hill Book YR - 1939 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.4135 OP - 794 KW - GeologĂ­a y GeofĂ­sica Aplicadas KW - Geomagnetismo ER -