000 00404nam a2200157Ia 4500
008 200208s9999 xx 000 0 und d
082 _aGL 522.4
100 _a"Hughes, A. J."
245 0 _aBook of the sextant with ancient and modern instrument of navigation
260 _aGlasgow
260 _bBron Son & Fenguson Ltd.
260 _c1938
300 _a90 p.
650 _aNaviation
942 _cB
999 _c193578
_d193578