000 00409nam a2200145Ia 4500
008 230130s9999||||xx |||||||||||||| ||und||
020 _a9781493913077
100 _aBen Evans
245 4 _aThe Twenty-first Century in Space
250 _a2015
260 _bSpringer New York
_c2015
440 _aSpringer Praxis Books
650 _aPhysics and Astronomy
856 _uhttps://doi.org/10.1007/978-1-4939-1307-7
999 _c16937
_d16937