1. IAU: 1980, 'Working Group for Planetary System Nomenclature', in 17th General Assembly, Montreal, 1979, Proceedings: International Astronomical Union Transactions, Vol. 17B, pp. 293?297.
2. IAU: 1983, 'Working Group for Planetary System Nomenclature', in 18th General Assembly, Patras, 1982, Proceedings: International Astronomical Union Transactions, Vol. 18B, pp. 332?334.
3. IAU: 1986, 'Working Group for Planetary System Nomenclature', in 19th General Assembly, New Delhi, 1985, Proceedings: International Astronomical Union Transactions, Vol. 19B, pp. 342?346.
4. U.S. Geological Survey: 1989, 'Topographic map of part of the northern hemisphere of Venus, scale 1:15,000,000', Miscellaneous Investigations Series Map I-2041, sheet 1.
5. Burba, G. A.: 1988, Nomenclatura detaley rel'efa Venery [The Venus topographic features nomenclature] (in Russian), Nauka, Moscow, 64 pp.