@techreport{BaumLindowHegeetal.2017, author = {Daniel Baum and Norbert Lindow and Hans-Christian Hege and Verena Lepper and Tzulia Siopi and Frank Kutz and Kristin Mahlow and Heinz-Eberhard Mahnke}, title = {Revealing hidden text in rolled and folded papyri}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {17-02}, language = {eng}, year = {2017} }