10 th World energy conference= 10 eme conference mondiale de l'energie - [s.l.] [s.n.] (1977?) - [57 p.] 15 cm. Onuncu Dünya Enerji Konferansı : General reports, İstanbul, 19-23 September 1977. Subjects--Topical Terms: Energy Dewey Class. No.: 333.79 WOR 1977