- ↑ Vollet, Jean; Hartig, Jens R.; Schnöckel, Hansgeorg (2004). "Al50C120H180: A Pseudofullerene Shell of 60 Carbon Atoms and 60 Methyl Groups Protecting a Cluster Core of 50 Aluminum Atoms". Angewandte Chemie International Edition. 43 (24): 3186–3189.