Macromolecules, 55(21), 9690-9696. American Chemical Society De Zwart, F J, Laan, P C M, Van Leeuwen, N S, Bobylev, E O, Amstalden Van Hove, E R, Mathew, S, Yan, N, Flapper, J, Van Den Berg, K J, Reek, J N H & De Bruin, B 2022, ' Isocyanate-Free Polyurea Synthesis via Ru-Catalyzed Carbene Insertion into the N-H Bonds of Urea ', Macromolecules, vol. 55, no. 21, pp. 9690-9696 . https://doi.org/10.1021/acs.macromol.2c01457