00410ntaaa2200157 45000030003000000050017000030080021000200400037000410820017000781000026000952450047001212500010001682600047001783000010002256500017002350120251027202712.00714s1973 ag 01 aAR-BaBNbspacAR-BaBNeaacrdRIC a523.0100 L97 aLundquist, Charles A aThe physics and astronomy of space science a1 ed. aNew York : bMcGraw-Hill Book Co., cc1966 a116 p aastronomía