https://www.livescience.com/30071-vostok-drilling-antarctica-110201.html
In Antarctica, Lake Drillers Likely To Come Up Short | Live Science
Feb 1, 2011 - In a race against winter, drillers may not reach buried Lake Vostok.
come up shortantarctica lakelikely todrillers
https://www.space.com/14552-antarctica-lake-vostok-europa-life-jupiter.html
Antarctica's Lake Vostok is Test Case for Exploring Icy Jupiter Moon | Space
Feb 13, 2012 - A team of Russian scientists has broken through the ice to Antarctica's buried Lake Vostok. The close parallels to Jupiter's moon, Europa, could help...