General report of the scientific and technical committee / North Atlantic Assembly. Scientific and Technical Committee ; general rapporteur: Ian Watson Behind the flying saucers / F. Scully ESTEC : European space research and technology centre / ESA, European space agency Vliegende schotels slaan ons gade / door Donald E. Keyhoe ; [vert. uit het Engels door André E. Steentjes] Astronautique / A. Ananoff ; préface de P. Rousseau kennis en vernuft Geschiedenis van de raket en de ruimtevaart / Courtlandt Canby ; [vert. uit het Engels door J.G.M. Wellen en P.G.M. Wellen-Leeuwenberg] agard conference proceedings Effects of atmospheric acoustic gravity waves on electromagnetic wave propagation : papers and discussions presented at the Specialist Meeting of the Electromagnetic Wave Propagation Panel … agard conference proceedings Automation in manned aerospace systems resultaten van 35 jaar ruimtevaart / met bijdragen van N. Bunnik ... [et al.] ; eindred.: Govert Schilling defense space interests Hearings before the committee on science and astronautic U.S. House of Representatives 87th congress, 1st Session, 17 - 23 march 1961 national meteorological satellite program Hearings before the Committee on Science and Astronautics U.S. House of Representatives 87th Congress first session, 25-27 july 1961 Rocket and space scope
