The aeronautical journal. - London : Royal Aeronautical Society, 1986 - - v. : ill. ; 28 cm. - Monthly except June and August Latest issue consulted: Vol. 90, No. 898 (Oct. 1986). ISSN: 0001-9240 Subjects--Topical Terms: Aeronautics -- Periodicals. Dewey Class. No.: 629.13