earred pin (Jerzmanice Zdrój) - chemical analysis II Bronze Age
axe fragment (Łęka Mała) - chemical analysis I Bronze Age
axe (Koszalin county) - chemical analysis III-V Bronze Age
winged axe (Bruszczewo) - chemical analysi I Bronze Age
bracelet (Dratów) - chemical analysis II Bronze Age
spiral (Stawiszyce) - chemical analysis II Bronze Age
pin with a croze grooved head (Wrocław-Księże Wielkie) - chemical analysis III Bronze Age
axe (Bielin) - chemical analysis III Bronze Age
sickle (Buczków) - chemical analysis Hallstatt period D
naszyjnik (Gorszewice) - analiza chemiczna I Bronze Age
axe (Gryfino) - chemical analysis Bronze Age
axe (Izbica Kujawska) - chemical analysis I Bronze Age
plate (Brześć Kujawski) - chemical analysis Neolithic
pin (Włocławek vicinity) - chemical analysis III Bronze Age
bracelet (Dobra - Szczecin) - chemical analysis II-III Bronze Age