Lassen, K., & Danielsen, C. (1979). Quiet time pattern of auroral arcs for different directions of the interplanetary magnetic field in the Y-Z plane. Det Danske Meteorologiske Institut.
Cita Chicago Style (17a ed.)Lassen, Knud, y C. Danielsen. Quiet Time Pattern of Auroral Arcs for Different Directions of the Interplanetary Magnetic Field in the Y-Z Plane. Kobenhavn: Det Danske Meteorologiske Institut, 1979.
Cita MLA (9a ed.)Lassen, Knud, y C. Danielsen. Quiet Time Pattern of Auroral Arcs for Different Directions of the Interplanetary Magnetic Field in the Y-Z Plane. Det Danske Meteorologiske Institut, 1979.
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