Bott, S., YANG, K., BOTT, S., & RICHMOND, M. (1995). Polyhedral Cluster Expansion in Co3(CO)6[.mu.2-.eta.2: .eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2). Characterization of the Hypho Cluster Co3(CO)5(.mu.-CO)(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2) and the Phosphine-Substituted Arachno Cluster Co3(CO)5(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2). Organometallics, 14(2), pp. 919-924. doi:10.1021/om00002a044

Bott, Simon, KY YANG, SG BOTT, and MG RICHMOND. "Polyhedral Cluster Expansion in Co3(CO)6[.mu.2-.eta.2: .eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2). Characterization of the Hypho Cluster Co3(CO)5(.mu.-CO)(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2) and the Phosphine-Substituted Arachno Cluster Co3(CO)5(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2)." Organometallics 14, no. 2 (1995): 919-924.

Bott, Simon, KY YANG, SG BOTT, and MG RICHMOND. "Polyhedral Cluster Expansion in Co3(CO)6[.mu.2-.eta.2: .eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2). Characterization of the Hypho Cluster Co3(CO)5(.mu.-CO)(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2) and the Phosphine-Substituted Arachno Cluster Co3(CO)5(PMe3)[.mu.2-.eta.2:.eta.1-C(Ph)C:C(PPh2)C(O)OC(O)](.mu.2-PPh2)." Organometallics 14.2 (1995): 919-924.