Impact of Al Activators on Structure and Catalytic Performance of Cr Catalysts in Homogeneous Ethylene Oligomerization – A Multitechnique            insitu/operando            Study
R. Grauke, R. Schepper, J. Rabeah, R. Schoch, U. Bentrup, M. Bauer, A. Brückner, ChemCatChem (2019) 1025–1035.