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Colwell, Joshua E.; Esposito, Larry W. (1990). «A model of dust production in the Neptunian ring system». Geophysics Research Letters17 (10): 1741–1744. doi:10.1029/GL017i010p01741. Bibcode: 1990GeoRL..17.1741C.
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Manfroid, J.; Haefner, R.; Bouchet, P. (1986). «New evidence for a ring around Neptune». Astronomy and Astrophysics157 (1): L3. Bibcode: 1986A&A...157L...3M.
Horn, Linda J.; Hui, John; Lane, Arthur L. (1990). «Observations of Neptunian rings by Voyager photopolarimeter experiment». Geophysics Research Letters17 (10): 1745–1748. doi:10.1029/GL017i010p01745. Bibcode: 1990GeoRL..17.1745H.
Colwell, Joshua E.; Esposito, Larry W. (1990). «A model of dust production in the Neptunian ring system». Geophysics Research Letters17 (10): 1741–1744. doi:10.1029/GL017i010p01741. Bibcode: 1990GeoRL..17.1741C.