History of the European Space Agency : proceedings of an international symposium : 11-13 November 1998 : the Science Museum, London. : ESA history symposium : Nov 1998, London, UK. (ESA-SP ; 436)
History of the European Space Agency : proceedings of an international symposium : 11-13 November 1998 : the Science Museum, London. : ESA history symposium : Nov 1998, London, UK.