Bott, S., XIA, C., BOTT, S., & RICHMOND, M. (1995). CO substitution and diphosphine ligand chelation in the reaction between 4,5-bis(diphenylphosphino)-4-cyclopenten-1,3-dione (bpcd) and Re(2(CO)8(μ-H)(μ-η1,η2-C  CPh). Inorganica Chimica Acta, 230(1-2), pp. 45-50. doi:10.1016/0020-1693(94)04189-3

Bott, Simon, CG XIA, SG BOTT, and MG RICHMOND. "CO Substitution and Diphosphine Ligand Chelation in the Reaction between 4,5-bis(diphenylphosphino)-4-cyclopenten-1,3-dione (bpcd) and Re(2(CO)8(μ-H)(μ-η1,η2-C  CPh)." Inorganica Chimica Acta 230, no. 1-2 (1995): 45-50.

Bott, Simon, CG XIA, SG BOTT, and MG RICHMOND. "CO Substitution and Diphosphine Ligand Chelation in the Reaction between 4,5-bis(diphenylphosphino)-4-cyclopenten-1,3-dione (bpcd) and Re(2(CO)8(μ-H)(μ-η1,η2-C  CPh)." Inorganica Chimica Acta 230.1-2 (1995): 45-50.