NOTES - Prawhyll: A thousand years of watchkeeping
The mariner's mirror ; 88 , 3 ; 331-333
2002
Article (Journal)
Unknown
Online Contents | 2003
Online Contents | 2001
Online Contents | 2001
Experimental Studies of Watchkeeping
NTIS | 1969
|Commercial Management and the Junior Watchkeeping Officer
British Library Conference Proceedings | 1995
|