NOTES - Prawhyll: A thousand years of watchkeeping
The mariner's mirror ; 88 , 3
2002
Aufsatz (Zeitschrift)
Unbekannt
Online Contents | 2003
Online Contents | 2001
Online Contents | 2001
International Conference on Standards of Training, Certification and Watchkeeping
British Library Online Contents | 1995
|User experience of a computer based watchkeeping and control system
Tema Archiv | 1974
|