000			00446nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9783642302268
100			_aMichael Soffel, Ralf Langhans
245		0	_aSpace-Time Reference Systems
250			_a2013
260			_bSpringer Berlin Heidelberg _c2013
440			_aAstronomy and Astrophysics Library
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-3-642-30226-8
999			_c15702 _d15702