000			00431nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9781493915354
100			_aJohn Westfall, William Sheehan
245		0	_aCelestial Shadows
250			_a2015
260			_bSpringer New York _c2015
440			_aAstrophysics and Space Science Library
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-1-4939-1535-4
999			_c17395 _d17395