Spencer, Nye.S Thermodynamic, electrical, physical, and compositional properties of seeded coal combustion products / Spencer, Nye.S and George F. Kucera - 2nd ed. - Washington,D.C. : U.S. Govt. Print. Off., 1945 - 150 p. : ill. ; 27 cm. H.O.No. 226 Includes index Subjects--Topical Terms: Compass--PhysicsDeviations--corrections Dewey Class. No.: 681.2