@techreport{VincensWittHomberg2014, author = {Eric Vincens and Karl Josef Witt and Ulrike Homberg}, title = {Approaches to Determine the Constriction Size Distribution for Understanding Filtration Phenomena in Granular Materials}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {14-01}, language = {eng}, year = {2014} }