(separately mentioning) the uninhabited and once lesser-known or unknown Antarctica (just like the Olympic Circles-Logo); they don't refer to some other 5
The Fatal Shore: The Epic of Australia's Founding. Knopf. ISBN 0-394-50668-5. Powell, J.M. (1988). An Historical Geographyof Modern Australia: The Restive
2007-10-23. สืบค้นเมื่อ 2011-03-15. "The circumference of the earth is about 40,000km". Geography.about.com. 2010-06-16. สืบค้นเมื่อ 2011-03-15. Attwood