@ARTICLE{Kopacz_Zdzisław_The_2001, author={Kopacz, Zdzisław and Morgaś, Wacław and Urbański, Józef}, volume={vol. 50}, number={No 1}, journal={Geodesy and Cartography}, pages={3-17}, howpublished={online}, year={2001}, publisher={Commitee on Geodesy PAS}, abstract={In this paper, there are presented the main principles of the navigational and hydrographical provision of ships' special tasks. There are specified the types of ships' tasks, but especially, ships' special tasks. There is discussed the ship's navigation process as the function of the type of the ships tasks. There is also presented the substance of the navigational and hydrographical provision of the ships' special tasks, as well as the development trends of this provision.}, type={Article}, title={The navigational and hydrographical provisionof ships' special tasks. Its state and development tendencies}, URL={http://journals.pan.pl/Content/121600/PDF/3_GK_TOM_L_ZESZYT_1_2001_Kopacz_Nawigacyjne.pdf}, }