Roy, S., Sieger, M., Sarkar, B., Schwederski, B., Lissner, F., Schleid, T., Fiedler, J., Kaim, W. Establishing the Chelating .alpha.-Azocarbonyl Function in .pi.- Acceptor Ligands. Angewandte Chemie - International Edition. 2008, 47(33), 6192-6194. ISSN 1433-7851. E-ISSN 1521-3773. Dostupné z: https://doi.org/10.1002/anie.200801328