TY - JOUR A1 - Allan, W. T1 - Transient ULF pulsations: time dependence of magnetic fields observed at the ground JO - Ann. Geophys. J1 - ANGEO VL - 13 IS - 9 SP - 938 EP - 945 Y1 - 1995/09/30 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/13/938/1995/ L1 - https://angeo.copernicus.org/articles/13/938/1995/angeo-13-938-1995.pdf DO - 10.1007/s00585-995-0938-6 ER -