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Polish Maritime Research > 2012 > S 1 > 19-24
TransNav : International Journal on Marine Navigation and Safety of Sea... > 2009 > Vol. 3, no. 3 > 251--259
Polish Maritime Research > 2012 > S 1 > 19-24
TransNav : International Journal on Marine Navigation and Safety of Sea... > 2009 > Vol. 3, no. 3 > 251--259