Siegert, Martin J.. (2004). «Subglacial Lake Ellsworth: A candidate for in situ exploration in West Antarctica» Geophysical Research Letters 31 (23): L23403. doi:10.1029/2004GL021477. Bibcode: 2004GeoRL..3123403S..
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Siegert, Martin J.. (2004). «Subglacial Lake Ellsworth: A candidate for in situ exploration in West Antarctica» Geophysical Research Letters 31 (23): L23403. doi:10.1029/2004GL021477. Bibcode: 2004GeoRL..3123403S..