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Fihri, A., Meunier, P., & Hierso, J.-C. (2007). Performances of symmetrical achiral ferrocenylphosphine ligands in palladium-catalyzed cross-coupling reactions: A review of syntheses, catalytic applications and structural properties. Coordination Chemistry Reviews, 251(15-16), 2017–2055. doi:10.1016/j.ccr.2007.03.020 
10.1016/j.ccr.2007.03.020