Cimpeanu, V., Kočevar, M., Parvulescu, V. I., & Leitner, W. (2009). Preparation of Rhodium Nanoparticles in Carbon Dioxide Induced Ionic Liquids and their Application to Selective Hydrogenation. Angewandte Chemie-International Edition, 48, 1085-1088. doi:10.1002/anie.200803773.