000 00274nam a2200109Ia 4500
008 210107s9999 xx 000 0 und d
100 _aFrost, A.
245 0 _aPractical Navigation for Second Mates
260 _aGlasgow
_bBrown, Son & Ferguson
300 _a281
942 _cBK
999 _c10868
_d10868