00802na  a2200229   4500001001300000005001500013008004100028024002700069100002700096370004800123372004600171372002000217374004600237374002300283375001100306377001100317400003600328400003000364400004000394670008500434670005300519KAC20211136520210531102605210510 b aznnnaabn          fa aaa      7 a000000041740399X2isni1 aSpergel, David,d1961-  c미국(국명)[美國]0KSH19980227002nlsh  a천문학[天文學]0KSH19980063512nlsh  a천체물리학  a과학자[科學者]0KSH19980092382nlsh  a천체물리학자  a남성  l영어1 a스펄겔, 데이비드,d1961-1 aSpergel, David N.,d1961-1 aSpergel, David Nathaniel‏,d1961-  a최고의 석학들은 어떻게 자녀를 교육할까, (북클라우드), 2017  a가상국제전거파일(VIAF)uhttp://viaf.org/