00688nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001600084100002700100245006000127260004600187300001600233650004100249650001900290650001700309700003000326942000700356999001500363952009200378IN-BaIIA211028s9999    xx            000 0 eng d  a0-674-96285-0  cIIA Library  a52-735bTUC  aTucker, Wallace914966 4aThe x-ray universecRiccardo Giacconi and WallaceTucker  aCambridgebHarvard University Pressc1985  aviii, 201p.  aAstronomy and astrophysics thesaurus  aUniverse91987  aX-ray914967  aGiacconi, Riccardo914968  cBK  c8903d8903  00104070aBANbBANcGENd1986-11-04l0o52-735/ TUCp9788r2021-11-05w1986-11-04yBK