Fraile, J. M.; Garcia, J. I.; Herrerias, C. I.; Mayoral, J. A.; Carrie, D.; Vaultier, M. Enantioselective cyclopropanation reactions in ionic liquids. Tetrahedron: Asymmetry. 2001, 12 (13): 1891–1894. doi:10.1016/s0957-4166(01)00315-9. hdl:10261/64635.
Fraile, J. M.; Garcia, J. I.; Herrerias, C. I.; Mayoral, J. A.; Carrie, D.; Vaultier, M. Enantioselective cyclopropanation reactions in ionic liquids. Tetrahedron: Asymmetry. 2001, 12 (13): 1891–1894. doi:10.1016/s0957-4166(01)00315-9. hdl:10261/64635.