Cruikshank, D. P.; Nelson, R. M. (2007). "A history of the exploration of Io". Dalam Lopes, R. M. C.; Spencer, J. R. Io after Galileo. Springer-Praxis. hlm. 5–33. ISBN3-540-34681-3.
Strom, R. G.; Schneider, N. M. (1982). "Volcanic eruptions on Io". Dalam Morrison, D. Satellites of Jupiter. University of Arizona Press. hlm. 598–633. ISBN0-8165-0762-7.
Perry, J.; et al. (2007). "A Summary of the Galileo mission and its observations of Io". Dalam Lopes, R. M. C.; and Spencer, J. R. Io after Galileo. Springer-Praxis. hlm. 35–59. ISBN3-540-34681-3.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link) Pemeliharaan CS1: Banyak nama: editors list (link)
Schneider, N. M.; Bagenal, F. (2007). "Io's neutral clouds, plasma torus, and magnetospheric interactions". Dalam Lopes, R. M. C.; Spencer, J. R. Io after Galileo. Springer-Praxis. hlm. 265–286. ISBN3-540-34681-3.
Schenk, P.; et al. (2001). "The Mountains of Io: Global and Geological Perspectives from Voyager and Galileo". Journal of Geophysical Research. 106 (E12): 33201–33222. Bibcode:2001JGR...10633201S. doi:10.1029/2000JE001408.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Soderblom, L. A.; et al. (1980). "Spectrophotometry of Io: Preliminary Voyager 1 results". Geophys. Res. Lett. 7 (11): 963–966. Bibcode:1980GeoRL...7..963S. doi:10.1029/GL007i011p00963.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Pearl, J. C.; et al. (1979). "Identification of gaseous SO2 and new upper limits for other gases on Io". Nature. 288 (5725): 757–758. Bibcode:1979Natur.280..755P. doi:10.1038/280755a0.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Burger, M. H.; et al. (1999). "Galileo's close-up view of Io sodium jet". Geophys. Res. Let. 26 (22): 3333–3336. Bibcode:1999GeoRL..26.3333B. doi:10.1029/1999GL003654.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Grün, E.; et al. (1993). "Discovery of Jovian dust streams and interstellar grains by the ULYSSES spacecraft". Nature. 362 (6419): 428–430. Bibcode:1993Natur.362..428G. doi:10.1038/362428a0.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Grün, E.; et al. (1996). "Dust Measurements During Galileo's Approach to Jupiter and Io Encounter". Science. 274 (5286): 399–401. Bibcode:1996Sci...274..399G. doi:10.1126/science.274.5286.399.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Schenk, P.; et al. (2001). "The Mountains of Io: Global and Geological Perspectives from Voyager and Galileo". Journal of Geophysical Research. 106 (E12): 33201–33222. Bibcode:2001JGR...10633201S. doi:10.1029/2000JE001408.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Barnard, E. E. (1891). "Observations of the Planet Jupiter and his Satellites during 1890 with the 12-inch Equatorial of the Lick Observatory". Monthly Notices of the Royal Astronomical Society. 51 (9): 543–556. Bibcode:1891MNRAS..51..543B.
Minton, R. B. (1973). "The Red Polar Caps of Io". Communications of the Lunar and Planetary Laboratory. 10: 35–39. Bibcode:1973CoLPL..10...35M.
Lee, T. (1972). "Spectral Albedos of the Galilean Satellites". Communications of the Lunar and Planetary Laboratory. 9 (3): 179–180. Bibcode:1972CoLPL...9..179L.
Soderblom, L. A.; et al. (1980). "Spectrophotometry of Io: Preliminary Voyager 1 results". Geophys. Res. Lett. 7 (11): 963–966. Bibcode:1980GeoRL...7..963S. doi:10.1029/GL007i011p00963.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Pearl, J. C.; et al. (1979). "Identification of gaseous SO2 and new upper limits for other gases on Io". Nature. 288 (5725): 757–758. Bibcode:1979Natur.280..755P. doi:10.1038/280755a0.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Burger, M. H.; et al. (1999). "Galileo's close-up view of Io sodium jet". Geophys. Res. Let. 26 (22): 3333–3336. Bibcode:1999GeoRL..26.3333B. doi:10.1029/1999GL003654.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Grün, E.; et al. (1993). "Discovery of Jovian dust streams and interstellar grains by the ULYSSES spacecraft". Nature. 362 (6419): 428–430. Bibcode:1993Natur.362..428G. doi:10.1038/362428a0.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Grün, E.; et al. (1996). "Dust Measurements During Galileo's Approach to Jupiter and Io Encounter". Science. 274 (5286): 399–401. Bibcode:1996Sci...274..399G. doi:10.1126/science.274.5286.399.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Fimmel, R. O.; et al. (1977). "First into the Outer Solar System". Pioneer Odyssey. NASA. Diakses tanggal 5 June 2007.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
O'Connor, J. J.; Robertson, E. F. (February 1997). "Longitude and the Académie Royale". University of St. Andrews. Diarsipkan dari versi asli tanggal 2011-08-25. Diakses tanggal 14 June 2007.
O'Connor, J. J.; Robertson, E. F. (February 1997). "Longitude and the Académie Royale". University of St. Andrews. Diarsipkan dari versi asli tanggal 2011-08-25. Diakses tanggal 14 June 2007.