00459nam a22001457a 4500008004500000020001800045110002500063245002700088250000800115260004800123300001500171650005600186650002800242650004300270250529b      2025     ||||| |||| 00| 0 eng d  a9781914993961  aWitherby Publication  aECDIS Procedures Guide  a7th  aUnited KingdombWitherby Publicationsc2025  axiv, 294p.  aECDIS Documentaton, Compliance and latest standards  aPreparing ECDIS for use  aOptimum Standards of Navigation at Sea