Third European IUE Conference : proceedings of the Third International Ultraviolet Explorer Conference, Madrid, Spain, 10-13 May 1982, co-sponsored by The European Space Agency (ESA), Consejo Superior de Investigaciones Cientificas (CSIC) / [comp. by E. Rolfe, A. Heck & B. Battrick]Fourth European IUE Conference : proceedings of the Fourth International Ultraviolet Explorer Conference held in Rome, Italy, 15-18 May 1984, co-sponsored by The European Space Agency (ESA), CNR/Istituto Astrofisica Spaziale / [comp. by Erica Rolfe & Bruce Battrick]Space research ... : proceedings of the International Space Science SymposiumVerslag over het jaar ... / Sterrekundig Instituut te UtrechtJaarverslag ... / Sterrekundig Instituut te UtrechtJaarverslag / Sterrewacht "Sonnenborgh" der Rijks UniversiteitIntelligent information retrieval: the case of astronomy and related space sciences / ed. by A. Heck and F. MurtaghResearch and invention in outer space : liability and intellectual property rights / ed. Saʾid MostesharCosmic perspectives in space physics / by Sukumar BiswasDown to earth : everyday uses for European Space Technology / P. Brisson & J. Rootes ; [comp. by: JRA Technology Ltd. ; ed.: Peter Russell ... et al.]Mensen in de ruimte / Piet SmoldersRuimteonderzoek : de horizon voorbij : een indruk van veertig jaar Nederlands ruimteonderzoek / Niek de Kort ; [red.: Gerard Cornet ... et al. ; eindred.: Serpenti tekstverzorging, Linda Slangen]Intelligent information retrieval : the case of astronomy and related space sciences / edited by A. Heck and F. MurtaghDe aarde onder vuur / Piet SmoldersProceedings of the international conference Titan: from discovery to encounter : 13-17 April 2004, ESTEC, Noordwijk, The Netherlands / [ed. Karen Fletcher]Jaarverslag Museum Sterrenwacht SonnenborghHuygens & Huygens / Piet SmoldersKristian Birkeland : the first space scientist / by Alv Egeland and William J. BurkeRovers in de ruimte / [Piet Smolders]Space research in the Netherlands / [ed.: Marijke Braams ... et al.]Ruimtevaart en bijproducten : voor astronauten en aardbewoners / Piet SmoldersHet mysterie van niks en oneindig veel snot / door Jan Paul Schutten ; geïllustreerd door Floor RiederSome observational aspects of compact galactic X-ray sources / Johan HeiseInternational space programmes and policies : proceedings of the second United Nations Conference on the Exploration and Peaceful Uses of Outer Space (UNISPACE), Vienna, Austria, August 1982 / United Nations ; eds.: N. Jasentuliyana, Ralph ChipmanESA bulletin = Bulletin ASE / publ. by the European Space Agency = Agence Spatiale EuropéenneRuimte-onderzoek, hoeksteen van de ruimtevaart / door J.A.M. Bleeker