Griebel, RolfRolfGriebelTscharntke, UlrikeUlrikeTscharntke2019-09-192015-07-1319923598217897https://fis.uni-bamberg.de/handle/uniba/24879engThe international problem of differential pricing for research literature : final report on a project carried out by the IFLA Section on Acquisition and Exchangebookpart