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Hiremath, K. M. «Seismology of the Sun: Inference of Thermal, Dynamic and Magnetic Field Structures of the Interior». Springer Series on Atomic, Optical, and Plasma Physics, 2012, pàg. 317–341. arXiv: 1210.0467. DOI: 10.1007/978-3-642-38167-6_19.
Porco, C. C.; Helfenstein, P.; Thomas, P. C.; Ingersoll, A. P.; Wisdom, J.; West, R.; Neukum, G.; Denk, T.; Wagner, R. «Cassini Observes the Active South Pole of Enceladus». Science, 311, 5766, 10-03-2006, pàg. 1393–1401. Bibcode: 2006Sci...311.1393P. DOI: 10.1126/science.1123013. PMID: 16527964.
Porco, C. C.; Helfenstein, P.; Thomas, P. C.; Ingersoll, A. P.; Wisdom, J.; West, R.; Neukum, G.; Denk, T.; Wagner, R. «Cassini Observes the Active South Pole of Enceladus». Science, 311, 5766, 10-03-2006, pàg. 1393–1401. Bibcode: 2006Sci...311.1393P. DOI: 10.1126/science.1123013. PMID: 16527964.
Porco, C. C.; Helfenstein, P.; Thomas, P. C.; Ingersoll, A. P.; Wisdom, J.; West, R.; Neukum, G.; Denk, T.; Wagner, R. «Cassini Observes the Active South Pole of Enceladus». Science, 311, 5766, 10-03-2006, pàg. 1393–1401. Bibcode: 2006Sci...311.1393P. DOI: 10.1126/science.1123013. PMID: 16527964.