he South Pacific and southeast Indian Ocean tropical cyclone season 1988-89" (PDF). Australian Bureau of Meteorology. සම්ප්‍රවේශය 6 August 2009.↑ Perth Tropical Cyclone Warning Centre (29 April 2009). Severe Tropical Cyclone Gwenda (PDF) (Report). Australian Bureau of Meteorology. සම්ප්‍රවේශය 12 April 2012.↑ Zhang, Q.P.; Lai, L.L.; Sun, W.C. (2006). "Location of Tropical Cyclone Center with Intelligent Image Processing Technique". Springer Berlin/Heidelberg: 898–907. සම්ප්‍රවේශය 7 August 2009. {{cite journal}}: Cite journal requires |journal= (help)[permanent dead link]↑ 7.0 7.1 "Tropical Cyclone 28S (Orson) Best Track". Joint Typhoon Warning Center, Naval Western Oceanography Center. United States Navy, United States Airforce. 2002. සම්ප්‍රවේශය 6 August 2009.↑ 8.0 8.1 "West Stays On Alert As Cyclone Tracks Inland". Courier-Mail. 24 April 1989. (Accessed via Lexis-Nexis)↑ 9.0 9.1 "Search and Rescue Finds 20 Fishermen". Sunday Tasmanian. 23 April 1989.↑ Fahey, Martin (2005).