000			00399nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9781441960894
100			_aFernando J. Ballesteros
245		0	_aE.T. Talk
250			_a2010
260			_bSpringer New York _c2010
440			_aAstronomers' Universe
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-1-4419-6089-4
999			_c17772 _d17772