van Driel-Gesztelyi, L., Démoulin, P., & Mandrini, C. Observations of magnetic helicity.
Cita Chicago Style (17a ed.)van Driel-Gesztelyi, L., P. Démoulin, y C.H Mandrini. Observations of Magnetic Helicity.
Cita MLA (8a ed.)van Driel-Gesztelyi, L., et al. Observations of Magnetic Helicity.
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