Foraminifera from the Fucoid Marls of the Ropianka Formation in the Skole Nappe, Outer Carpathians, Poland / A. WAŚKOWSKA, A. JONIEC, P. SIWEK // W: 20\textsuperscript{th} Czech–Polish–Slovak palaeontological conference : Chęciny, 20–23 October 2019 : abstracts / ed. by Anna Żylińska. — Warszawa : Faculty of Geology. University of Warsaw, 2019. — ISBN: 978-83-945216-9-1. — S. 51. — Dostęp również online: http://eceg-event.pl/files/UserFiles/ABSTRACTS%2020th%20CZECH%20%E2%80%93%20POLISH%20%E2%80%93%20SLOVAK.pdf [2020-01-09]

Lower Oligocene mixed siliciclastic-carbonate turbidites – results of macro- and microscopic observations (Szczawa Tectonic Window, Polish Outer Carpathians) / Piotr SIWEK, Marek WENDORFF // W: ICYG 2020 [Dokument elektroniczny] : XXIst International Conference of Young Geologists HERL'ANY 2020 : Niedzica, Poland, 05-07. 11. 2020 : abstract book & introduction to the Pieniny Klippen Belt / eds. Peter Kiss, [et al.]. — Wersja do Windows. — Dane tekstowe. — Kraków : Wydawnictwo Mineralogiczne MINERALPRESS, 2020. — ISBN: 978-83-933330-2-8. — S. [1-2]. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://herlandia.webnode.sk/_files/200000106-6435764359/Herlany2020_AbstractBook_112020.pdf [2020-10-05]. — Bibliogr. s. [2]

Research into mixed turbidite systems: macro- and microscopic-scale observations – case study from the Szczawa Tectonic Window, the Fore-Magura zone of the Polish Outer Carpathians / Piotr SIWEK, Marek WENDORFF // W: 70GC 2019 : proceedings of the Geologica Carpathica 70 conference : Smolenice, Slovakia, October 9–11, 2019 / ed. by Igor Broska, Milan Kohút, Adam Tomašových. — Bratislava : Earth Science Institute of the Slovak Academy of Sciences, 2019. — ISBN: 978-80-85754-42-1. — S. 153–156. — Bibliogr. s. 156, Abstr.. — Toż online: {http://geo.sav.sk/files/GC70_abstractbook.pdf} [2020-01-23]

The Cergowa Sandstone - an example of turbidity hyperpycnal flow deposits: case study from Stasiana and Iwla sections, the Outer Carpathians, near Dukla town / Piotr SIWEK, Marek WENDORFF // W: ICYG 2019 : XX\textsuperscript{th} International Conference of Young Geologists : April 3-5 2019, Herl'any, Slovakia : abstract book / eds. Tomáš Bakalár, [et al.]. — Bratislava : The Publishing House of the Comenius University, 2019. — Na stronie red. podano błędny ISBN: 978-80-223-4703-7. — ISBN: 978-80-223-4705-1 ; e-ISBN: 978-80-223-4704-4. — S. 104–106. — Bibliogr. s. 105–106

The Cergowa Sandstone at Stasiana and Iwla: an example of turbidity hyperpycnal flow deposits in the Outer Carpathians (Dukla region) / Piotr SIWEK, Marek WENDORFF // W: 70GC 2019 : proceedings of the Geologica Carpathica 70 conference : Smolenice, Slovakia, October 9–11, 2019 / ed. by Igor Broska, Milan Kohút, Adam Tomašových. — Bratislava : Earth Science Institute of the Slovak Academy of Sciences, 2019. — ISBN: 978-80-85754-42-1. — S. 157–159. — Bibliogr. s. 159, Abstr.. — Toż online: {http://geo.sav.sk/files/GC70_abstractbook.pdf} [2020-01-23]

The Late Cretaceous Fucoid Marl of the Ropianka formation in the Kąkolówka structure (Skole Nappe, Outer Carpathians, Poland) – lithology and foraminiferal biostratigraphy / Anna WAŚKOWSKA, Andrzej JONIEC, Janusz KOTLARCZYK, Piotr SIWEK // Annales Societatis Geologorum Poloniae ; ISSN 0208-9068. — 2019 vol. 89 no. 3, s. 259–284. — Bibliogr. s. 282–284, Abstr.. — tekst: http://www.asgp.pl/sites/default/files/volumes/89_3_259_284_Wa%C5%9Bkowska_et_al.pdf