Cohen, Henry, 1921 September 29- Gas turbine theory/ H. Cohen and G.F.C. Rogers. - London, New York, Longmans, Green c1951. - 291 p. ill. 23 cm. includes index. English LCCN: 51014311 Nat. Bib. No.: GB51-12055 Subjects--Topical Terms: Gas-turbines. LC Class. No.: TJ778 / .C6 Dewey Class. No.: 629.134353/COG