Bott, S., YANG, K., SMITH, J., BOTT, S., & RICHMOND, M. (1993). Phosphorus-carbon bond cleavage and tetrahedrane cluster activation in the reaction between bis(diphenylphosphino)maleic anhydride (BMA) and PhCCo3(CO)9. Syntheses, kinetic studies, and x-ray diffraction structures of PhCCo3(CO)7(bma) and [cyclic] Co3(CO)6(.mu.2-.eta.2,.eta.1-C(Ph)C: C(PPh2)C(O)OC(O))(.mu.2-PPh2). Organometallics, 12(12), pp. 4779-4787. doi:10.1021/om00036a018

Bott, Simon, KY YANG, JM SMITH, SG BOTT, and MG RICHMOND. "Phosphorus-carbon Bond Cleavage and Tetrahedrane Cluster Activation in the Reaction between Bis(diphenylphosphino)maleic Anhydride (BMA) and PhCCo3(CO)9. Syntheses, Kinetic Studies, and X-ray Diffraction Structures of PhCCo3(CO)7(bma) and [cyclic] Co3(CO)6(.mu.2-.eta.2,.eta.1-C(Ph)C: C(PPh2)C(O)OC(O))(.mu.2-PPh2)." Organometallics 12, no. 12 (1993): 4779-4787.

Bott, Simon, et al. "Phosphorus-carbon Bond Cleavage and Tetrahedrane Cluster Activation in the Reaction between Bis(diphenylphosphino)maleic Anhydride (BMA) and PhCCo3(CO)9. Syntheses, Kinetic Studies, and X-ray Diffraction Structures of PhCCo3(CO)7(bma) and [cyclic] Co3(CO)6(.mu.2-.eta.2,.eta.1-C(Ph)C: C(PPh2)C(O)OC(O))(.mu.2-PPh2)." Organometallics 12.12 (1993): 4779-4787.