00553nam a2200157Ia 4500003000900000008004100009040001600050080001600066100002700082245011800109260005100227300001000278650004100288650002600329710004000355IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a550.38bFIU  aFluiters, Jose Cubillo 0aCarta nacional de declinaciones magneticasbvol. IcJose Cubillo Fluiters and Instituto Geografico y Catastral     aMadridbInstituto Geografico Y Catastralc1950  a267p.  aAstronomy and Astrophysics Thesaurus  aTerrestrial Magnetism  aInstituto Geografico y Catastral