Aircraft engineering and aerospace technology : an international journal
Verzeichnis früheren deutschen Luftfahrtschrifttums
R&W international : the business resource of rotorcraft management
NAL newsletter - National Aerospace Laboratory, Science and Technology Agency Japan
Vertolety : trudy Opytno-Konstruktorskogo Bjuro Moskovskogo Vertoletnogo Zavoda Imeni M. L. Milja
Aircraft design : an international journal ; theory, technology, applications