. . . . . . . . . . . . "The challenge of the Antarctica"@en . . . "The challenge of Antarctica"@en . . "History of Antarctic exploration and outline of Antarctica's scientific importance today."@en . "History of Antarctic exploration and outline of Antarctica's scientific importance today." . . "The challenge of Antarctica" . . . . "Antarctica Discovery And Exploration." . . . . "Antarctic regions." . . "Antarctica." . . "Antarctica" .