Pressed sap from oil palm (<scp><i>Elaeis guineensis</i></scp>) trunks: a revolutionary growth medium for the biotechnological industry?
R. Dirkes, P.R. Neubauer, J. Rabenhorst, Biofuels, Bioproducts and Biorefining 15 (2021) 931–944.

Characterization and Optimization of the Enzymatic Hydrolysis of Different Citrus Peel (Orange) Qualities.
T. Kothe, A. Wiens, A. Kracht, M. Kaetzel, S. Rossmann, J. Rabenhorst, in: 2015.