TY  - GEN
AU  - Tetley, Laurie
AU  - Calcutt, David
TI  - Understanding GMDSS : the global maritime distress & safety system
SN  - 0340610425
PY  - 1994///
CY  - Oxford
PB  - Elsevier
KW  - SHIPS-Safety Regulations
KW  - MARINE ENGINEERING - Safety Measures
N1  - Index included
ER  -