00783nam0-22002891i-450-99000056265040332120001010000056265FED01000056265(Aleph)000056265FED0100005626520001010d--------km-y0itay50------baitay-------001yyShip magnetism and the magnetic compassF. G. MerrifieldLondonPergamon196319 cm, 186 p.Merrifield,F. G.341373Merrifield,F. G.ITUNINARICAUNIMARCBK99000056265040332105 74 346DININDININShip magnetism and the magnetic compass319967UNINAING01