Excavations of the Kuyavian megalithic long barrow no. 2 of the Funnel Beaker culture, situated on site 1 at Gaj, com- mune of Izbica Kujawska, province of Kuyavia-Pomerania - Papiernik, Piotr; Wicha, Joanna; Płaza, Dominik Kacper‏ (Muzeum Archeologiczne i Etnograficzne, 2018)