necklace (Rokosowo) - chemical analysis V epoka brązu
axe (Izbica Kujawska) - metallographic analysis I Bronze Age
axe (Izbica Kujawska) - chemical analysis I Bronze Age
rings conected (Czarnowo) - chemical analysis Bronze Age
bracelet (Borkowo Wielkie) - metallographic analysis Bronze Age
armlet (Szczepankowo) - metallographic analysis I Bronze Age
chisel (Letnin) - metallographic analysis Bronze Age
necklace (Babin) - chemical analysis I Bronze Age
pin (Nadarzyn) - chemical analysis Bronze Age
bracelet (Srebrna Góra) - chemical analysis I Bronze Age
ring (Mierzanowice) - chemical analysis I Bronze Age
necklace (Borkowo Wielkie) - chemical analysis Bronze Age
axe fragment (Pilchowo) - chemical analysis Bronze Age
wire spiral (Mierzanowice) - metallographic analysis I Bronze Age
axe (Dąbrówno) - chemical analysis I Bronze Age
ring (Domasław) - chemical analysis I Bronze Age
bracelet (Tągowie) - chemical analysis I Bronze Age
bracelet (Stare Czarnowo) - chemical analysis I Bronze Age