1. K.L. Aplin, R.G. Harrison, Ion-induced aerosol variations in the atmospheres of the outer planets, Proceedings Annual Aerosol Society Conference, Southampton University, Southampton, 8–9th April 2010
2. K. Baines, W.J. Smith, The atmospheric structure and dynamical properties of Neptune derived from ground-based and IUE spectroscopy. Icarus 109, 20–39 (1990)
3. W.J. Borucki, P.C. Pham, Optical search for lightning on Neptune. Icarus 99, 384–389 (1992). doi:
10.1016/0019-1035(92)90154-Y
4. L.A. Capone, R.C. Whitten, S.S. Prasad, J. Dubach, The ionospheres of Saturn, Uranus and Neptune. Ap. J. 215, 977–983 (1977). doi:
10.1086/155434
5. L.A. Capone, J. Dubach, R.C. Whitten, S.S. Prasad, Cosmic ray ionisation of the Jovian atmosphere. Icarus 39, 433–449 (1979). doi:
10.1016/0019-1035(79)90151-9