00459nam a2200121Ia 4500008004100000020002200041041001200063100003300075245004100108260004700149440002600196650011500222231221s9999    xx            000 0 und d  a978-3-540-37641-5  aEnglish  aPaul A. Czysz, Claudio Bruno 0aFuture Spacecraft Propulsion Systems  c2006bSpringer Berlin HeidelbergaNew York  aSpringer Praxis Books  aAerospace Technology and Astronautics; Astronomy, Observations and Techniques; Astrophysics and Astroparticles