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Summary of floods in the United States during 1990 and 1991
Paul Robert Jordan, L. J. Combs · For sale by the U.S. Geological Survey, Branch of Information Services
257 sayfa · 1996
Floods / United states, environmental conditions
Residential oil furnace system optimization
L. Paul Combs · for sale by the National Technical Information Service
170 sayfa · 1976
Petroleum as fuel / Air / Furnaces / Pollution
Commercial feasibility of an optimum residential oil burner head
L. Paul Combs · U.S. Environmental Protection Agency, Office of Research and Development
104 sayfa · 1976
Oil burners