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Charles Gormley
1974
A look at the manufacture and use of Polar diesel engines.
7.0• 1971
7.6• 1991
6.9• 2016
7.1• 2025
7.4• 1977
7.5• 1985
6.8• 1996
7.2• 2022
6.4• 2026
7.2• 2018
7.4• 2018
6.5• 2019
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