@ARTICLE{Walaszczyk_Ireneusz_Integrated_2012,
 author={Walaszczyk, Ireneusz},
 volume={vol. 62},
 number={No 4},
 journal={Acta Geologica Polonica},
 howpublished={online},
 year={2012},
 publisher={Komitet Nauk Geologicznych PAN},
 publisher={Wydział Geologii UW},
 title={Integrated stratigraphy of the Campanian–Maastrichtian boundary succession of the Middle Vistula River (central Poland) section; introduction},
 URL={http://journals.pan.pl/Content/81893/PDF/01walaszczyk.pdf},
 doi={10.2478/v10263-012-0027-6},
}