Szukana fraza: [Tytuł = Death at sea\: certain factors responsible for occupational hazard in Polish seamen and deep\-sea fishermen] lub [Autor = Jaremin, Bogdan] lub [Autor = Kotulak, Ewa] lub [Autor = Starnawska, Maria] lub [Autor = Mroziński, Wiesław] lub [Autor = Wojciechowski, Edward]