Format:Cite doi/10.1016.2FS0032-0633.2898.2900142-1
Herbert, Floyd; Sandel, Bill R. (). „Ultraviolet observations of Uranus and Neptune”. Planetary and Space Science. 47 (8–9): 1,119–1,139. Bibcode:1999P&SS...47.1119H. doi:10.1016/S0032-0633(98)00142-1.