https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013102511&signature=7b3123f58a710d79ab63f9293cb0f559&articleTitle=Geological+History+of+the+Polar+Oceans%3A+Arctic+versus+Antarctic&articleAuthor=U.+Bleil%2C+J%C3%B6rn+Thiede&publicationTitle=Geological+History+of+the+Polar+Oceans%3A+Arctic+versus+Antarctic&language=&publicationType=1&publishYear=1990&isn=9780792307396&publisher=Springer+Netherlands