00842nam a2200229Ia 4500003000900000008004100009020001800050040001600068080002200084110003600106111008700142245014600229260004200375300001300417490002600430650004100456650001700497650002400514650001200538700002500550710003700575IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0406-6  cIIA Library  a082.2:52bIAU-S53  aIntenational Astronomical Union  aInternational Astronomical Union Symposiumn53rdcColorado,U.S.A.d1972 Aug. 21-25 0aPhysics of dense matterbproceedings of the IAU symposium no. 53,held in Boulder,Colorado,U.S.A., August 21-25, 1972cedited by Carl J Hansen  aDordrechtbD. Reidel Publishingc1974  ax, 327p.  aIAU Symposium; no. 53  aAstronomy and Astrophysics Thesaurus  aDense matter  aInterstellar matter  aNebulae  aHansen, Carl J., ed.  aInternational Astronomical Union