Herta Effenberger, Werner Krause, Heinz-Jürgen Bernhardt, Mirko Martin: On the symmetry of tsumcorite group minerals based on the new species rappoldite and zincgartrellite. In: Mineralogical Magazine. Band64, Nr.6, 2000, S.1109–1126, doi:10.1180/002646100549922 (rruff.info [PDF; 1,1MB]).
Kharisun, Max R. Taylor, D. J. M. Bevan, Allan Pring: The crystal chemistry of duftite, PbCuAsO4(OH) and the β-duftite problem. In: Mineralogical Magazine. Band62, 1998, S.121–130, doi:10.1180/002646198547413 (rruff.info [PDF; 269kB]).
Werner Krause, Klaus Belendorff, Heinz-Jürgen Bernhardt, Catherine McCammon, Herta Effenberger, Werner Mikenda: Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite. In: European Journal of Mineralogy. Band10, 1998, S.179–206, doi:10.1127/ejm/10/2/0179.
Herta Effenberger, Werner Krause, Heinz-Jürgen Bernhardt, Mirko Martin: On the symmetry of tsumcorite group minerals based on the new species rappoldite and zincgartrellite. In: Mineralogical Magazine. Band64, Nr.6, 2000, S.1109–1126, doi:10.1180/002646100549922 (rruff.info [PDF; 1,1MB]).
Kharisun, Max R. Taylor, D. J. M. Bevan, Allan Pring: The crystal chemistry of duftite, PbCuAsO4(OH) and the β-duftite problem. In: Mineralogical Magazine. Band62, 1998, S.121–130, doi:10.1180/002646198547413 (rruff.info [PDF; 269kB]).