The Impact of the German 'DEAL' on Competition in the Academic Publishing Market. 8963Munich, March 2021. [PUMA: consortia costs access deal deutschland germany journals konsortium scholarly academic publishing open from:droessler] URL
Der Preis des freien Zugangs. DUZ Magazin, 18-19, May 2019. [PUMA: oa elsevier wiley access deal open from:droessler] URL
‘Big Deal’ Cancellations Gain Momentum. An increasing number of universities are ending, or threatening to end, bundled journal subscriptions with major publishers.. Inside Higher Ed, May 8, 2018. [PUMA: open kosten deal-projekt projekt access finanzierung zeitschriften from:droessler publikationen deal subskriptionen] URL