Kay, E. R.; Leigh, D. A.; Zerbetto, F. (2007). "Synthetic Molecular Motors and Mechanical Machines". Angewandte Chemie International Edition. 46 (1–2): 72–191. doi:10.1002/anie.200504313. PMID17133632.
Barran, P. E.; Cole, H. L.; Goldup, S. M.; Leigh, D. A.; McGonigal, P. R.; Symes, M. D.; Wu, J.; Zengerle, M. (2011). "Active-Metal Template Synthesis of a Molecular Trefoil Knot". Angewandte Chemie International Edition. 50 (51): 12280–12284. doi:10.1002/anie.201105012. PMID21919173.
Kay, E. R.; Leigh, D. A.; Zerbetto, F. (2007). "Synthetic Molecular Motors and Mechanical Machines". Angewandte Chemie International Edition. 46 (1–2): 72–191. doi:10.1002/anie.200504313. PMID17133632.
Barran, P. E.; Cole, H. L.; Goldup, S. M.; Leigh, D. A.; McGonigal, P. R.; Symes, M. D.; Wu, J.; Zengerle, M. (2011). "Active-Metal Template Synthesis of a Molecular Trefoil Knot". Angewandte Chemie International Edition. 50 (51): 12280–12284. doi:10.1002/anie.201105012. PMID21919173.