Source: https://www.researchgate.net/profile/Christine-Amory-Mazaudier/publication/278629873_L'electrojet_equatorial_composante_du_circuit_connectant_le_vent_solaire_la_magnetosphere_l'ionosphere_l'atmosphere_et_la_terre/links/55911bf708aed6ec4bf691a9/Lelectrojet-equatorial-composante-du-circuit-connectant-le-vent-solaire-la-magnetosphere-lionosphere-latmosphere-et-la-terre.pdf