Keys, Harry; Jacobs, S.S.; Barnett, Don (11 June 1990). "The calving and drift of iceberg B-9 in the Ross Sea, Antarctica". Antarctic Science. 2 (3): 243–257. doi:10.1017/s0954102090000335. S2CID128996853.
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Keys, Harry; Jacobs, S.S.; Barnett, Don (11 June 1990). "The calving and drift of iceberg B-9 in the Ross Sea, Antarctica". Antarctic Science. 2 (3): 243–257. doi:10.1017/s0954102090000335. S2CID128996853.