000			00409nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9783319093727
100			_aMartin Beech
245		0	_aAlpha Centauri
250			_a2015
260			_bSpringer International Publishing _c2015
440			_aAstronomers' Universe
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-3-319-09372-7
999			_c15348 _d15348