Sexton, A. Humboldt 1853- Fuel and refractory materials / A. Humboldt Sexton and W. B. Davidson - Rev. and enl. - London : Blackie, 1923 - 4, 382 p. : ill. ; 23 cm. Includes index Subjects--Topical Terms: FuelRefractory materials Dewey Class. No.: 662.6