00498nam a22001937a 4500008004500000020001800045082001500063110001400078245002900092250001200121260004500133300001500178650002300193650003200216650001400248650001300262650001400275650001500289250709b     2019      ||||| |||| 00| 0 eng d  a9781856098519  a623.8bWIT  aWitherbys  aPassage planning prctice  a2nd ed.  aUKbWitherby Publishing Group Ltd.c2019  aviii, 84p.  aVoyage instruction  aConfirmation of Destination  aAppraisal  aPlanning  aExecution  aMonitoring