000 00493nam a2200169Ia 4500
999 _c2934
_d2934
008 200103s9999||||xx |||||||||||||| ||und||
020 _a9780340610428
082 _a623.8932
_bTET
100 _aTetley, Laurie
245 0 _aUnderstanding GMDSS : the global maritime distress and safety system
260 _bEdward Arnold
_c1994
_aLondon
300 _avii, 311p.
650 _aDistress signals
650 _aArtificial satellites in navigation
650 _aRadio in navigation
942 _cBK