@techreport{StoppelHegeWiebel2014, author = {Sergej Stoppel and Hans-Christian Hege and Alexander Wiebel}, title = {Visibility-Driven Depth Determination of Surface Patches in Direct Volume Rendering}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {14-11}, language = {eng}, year = {2014} }