00480nam a2200169Ia 4500003000900000008004100009020001600050040001600066080001500082100002200097245004400119260004400163300001400207650004100221650002400262650002400286IN-BaIIA211028s9999    xx            000 0 eng d  a87033-000-4  cIIA Library  a521.9bWRI  aWright, Frances W 0aCelestial navigationcFrances W. Wright  aCambridgebCornell Maritime Pressc1969  axv, 137p.  aAstronomy and astrophysics thesaurus  aCelestial mechanics  aCelestial mechanics