Verlag DGMKDiverse × Preprints of the DGMK-Conference "Challenges for Petrochemicals and Fuels: Integration of Value Chains and Energy TransiDGMK-Tagungsbericht 2018-2DiverseDGMK 201880,25 € Preprints of the DGMK-Conference: "Petrochemistry and Refining in a Changing Raw Materials Landscape"DGMK-Tagungsbericht 2017-2DiverseDGMK 201780,25 €