ESA SWARM: Gjerloev, J.W., et al., Revisiting the “quiet time” concept: The SuperMAG defined disturbance level, Paris, September 2015 (Invited talk)
ESA SWARM: Gjerloev, J.W., et al., Revisiting the “quiet time” concept: The SuperMAG defined disturbance level, Paris, September 2015 (Invited talk)