000			00415nmm a2200145Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9781468463453
100			_aRobert Goldblatt
245		0	_aOrthogonality and Spacetime Geometry
250			_a1987
260			_bSpringer New York _c1987
440			_aUniversitext
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-1-4684-6345-3
999			_c23029 _d23029