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2. The problem of fuel oil ash deposition in open-cycle gas turbines;Bowden,1953
3. Inorganic Constituents of Petroleum — Part II. Science of Petroleum;Thomas,1938
4. The nature of metals in petroleum fuels and coal-derived synfuels;Filby,1977
5. External Corrosion and Deposits — Boiler and Gas Turbines;Reid,1971