@inbook {Gechter 1991, title = {Zur Wirtschaftsgeschichte der Kartause [K{\"o}ln]}, booktitle = {Werner Sch{\"a}fke (ed.), Die K{\"o}lner Kartause um 1500. Eine Reise in unsere Vergangenheit}, year = {1991}, pages = {123-137}, address = {K{\"o}ln}, keywords = {K{\"o}ln O.Cart. (oeconomia)}, author = {Gechter, Marianne} }