Citation

Lemaire, J.; Daly, E.J.; Vette, J.I.; McIlwain, J.; McKenna-Lawlor, S. (1990). Secular variations in the geomagnetic field and calculations of future low altitude radiation environments. , ESA-WPP 23: Proceedings of the ESA Workshop on Space Environment Analysis, 9-12 October, 1990, ESTEC, Noordwijk, The Netherlands, Vol. 23, 5.17,