TY - JOUR A1 - Allen, J. E. T1 - On the Earth’s magnetic field and the Hall effect JO - Nonlin. Processes Geophys. J1 - NPG VL - 10 IS - 4/5 SP - 437 EP - 440 Y1 - 2003/10/31 PB - Copernicus Publications SN - 1607-7946 UR - https://npg.copernicus.org/articles/10/437/2003/ L1 - https://npg.copernicus.org/articles/10/437/2003/npg-10-437-2003.pdf DO - 10.5194/npg-10-437-2003 ER -