TY - JOUR A1 - Eyck, J. A1 - Burschka, Christian A1 - Bronger, W. T1 - Neue ternäre Sulfide des Silbers N2 - No abstract available Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-46606 ER -