Lakes Beneath the Antarctic Ice Sheet

@article{Oswald1973LakesBT,
  title={Lakes Beneath the Antarctic Ice Sheet},
  author={Gordon K. A. Oswald and Gordon de Q. Robin},
  journal={Nature},
  year={1973},
  volume={245},
  pages={251-254}
}
THE technique of radio-echo sounding of polar ice sheets is now well established1–3, and three seasons of radio-echo sounding from long range aircraft of the US Navy have been completed under a joint programme of the Scott Polar Research Institute and the US National Science Foundation. 
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