Manned space stations : their construction, operation and potential applications
A programme for international polar oceans research (PIPOR) : PIPOR Science Working Group report
Scientific and experimental aspects of the Giotto mission : proceedings
Salyut-7/Kosmos-1686 Reentry : proc. international workshop ESOC, Darmstadt (D) 9 April 1991
Supporting Europe's endeavours in space : the ESA Directorate of Technical and Operational Support
Business telecommunications using satellite microterminals : gaining the competitive edge
Giotto's second encounter : the mission to comet Grigg-Skjellerup