Security news Citadels prove their worth; wave of attacks off Nigeria
Safety at sea international ; 45 , 503
2011
Article (Journal)
English
BKL: | 55.40 / 55.40 Schiffstechnik, Schiffbau / 55.44 Schiffsführung / 55.44 | |
Local classification TIB: | 275/6645/7035 |
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