@book{UBHD-1045965, author={Sleen, Wicher G. N. van der}, title={A handbook on beads}, edition={2. éd.}, publisher={Halbart}, address={Liège}, year={1973}, pages={142 S.}, language={eng}, isbn={2-87011-008-1 and 978-2-87011-008-9}, keywords={Geschichte / Glasperle / Perle}, library={UB [Signatur: 75 B 1649]}, }