000 00327nam a2200121Ia 4500
999 _c3052
_d3052
008 200103s 1980 ||||xx |||||||||||||| ||und||
082 _a623.894
_bMER
100 _aMerrifield, F. G.
245 0 _aShip magnetism and the Magnetic Compass
260 _bPergamon Press
_c1980
_aLondon
300 _avii, 189p.
942 _cBK