Kettani, M. Ali. Direct energy conversion [by] M. Ali Kettani. - Addison-Wesley Pub. Co. Reading, Mass. 1970 [1970] - xix, 448 p.illus.25 cm. - Addison-Wesley series in electrical engineering . Includes bibliographies. Subjects--Topical Terms: Direct energy conversion.--TK LC Class. No.: TK2896.K47