00318nam a2200109Ia 4500008005200000082001500052100004000067245003700107250001100144260004300155300001000198200103s     1998      ||||xx |||||||||||||| ||und||  a629.5bMOS  aMeteorological Observation Stations 0aAdmiralty list of radio signals   aVol. 4  bThe Hydrographer of the Navyc1998aUK  a142p.