@misc{Więckowski_Kazimierz_4.1.1._1998,
 author={Więckowski, Kazimierz},
 editor={Ralska-Jasiewiczowa, Magdalena (1934–2017). Editor},
 editor={Goslar, Tomasz. Editor},
 editor={Madeyska, Teresa. Editor},
 editor={Starkel, Leszek (1931– ). Editor},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={1998},
 publisher={W. Szafer Institute of Botany, Polish Academy of Sciences},
 language={eng},
 title={4.1.1. Piston coring},
 type={Text},
 URL={http://rcin.org.pl/Content/211135/PDF/KR171_228361_LGosciaz_Wieckowski-Piston-coring.pdf},
}