books.google.fr - Antarctica, the sixth continent, was discovered more than 160 years ago. Since then this large, mysterious continent of ice and penguins has attracted world interest. Scientific expeditions from various countries have begun to study the geographical and natural conditions of the icy continent. Systematic...https://books.google.fr/books/about/Radioglaciology.html?hl=de&id=EgDwCAAAQBAJ&utm_source=gb-gplus-shareRadioglaciology