00517nam a2200157Ia 4500003000900000008004100009040001600050080002200066245011700088260004200205300000900247490002500256650004100281650001200322700002500334IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a082.2:52bIAU-S13 4aThe future of the international latitude servicecedited by Paul  Melchior                                        bObservatoire Royal De Belgeiquec1960  a97p.  aIAU Symposium; no.13  aAstronomy and Astrophysics Thesaurus  aGeodesy  aMelchior, Paul, ed.,