00872nam a2200217Ia 4500003000900000008004100009020001800050040001600068080002200084110004000106111009000146245018400236260005800420300001600478490003400494650003300528650002900561700002300590700001900613700002200632IN-BaIIA211028s9999    xx            000 0 eng d  a1-58381-039-0  cIIA Library  a082.2:52bASP-208  aAstronomical Society of the Pacific  aInternational Astronomical Union colloquiumn178thcSardinia, Italyd1999 Sept. 27-30 0aPolar motionbhistorical and scientific problems; proceedings of IAU colloquium no. 178 held in Sardinia, Italy, September 27-30, 1999cedited by S. Dick, D. McCarthy and B. Luzum  aCaliforniabAstronomical Society of the Pacificc2000  axxii, 641p.  aASP conference series; v. 208  aHistory - early polar motion  aObservational techniques  aDick, Steven., ed.  aLuzum, B., ed.  aMcCarthy, D., ed.