Bott, S., HEY, E., LAPPERT, M., ATWOOD, J., & BOTT, S. (1987). Bis(trimethylsilyl)phosphinodithioformates, the phosphorus analogues of dithiocarbamates; X-ray structure of [Zr(cp)2(Cl)(η2-S2CPR2)] and its thermolysis product [{Zr(cp)2(µ-S)}2](cp =η-C5H5, R = SiMe3). J. Chem. Soc., Chem. Commun., 6, pp. 421-422. doi:10.1039/c39870000421

Bott, Simon, E. HEY, MF LAPPERT, JL ATWOOD, and SG BOTT. "Bis(trimethylsilyl)phosphinodithioformates, the Phosphorus Analogues of Dithiocarbamates; X-ray Structure of [Zr(cp)2(Cl)(η2-S2CPR2)] and Its Thermolysis Product [{Zr(cp)2(µ-S)}2](cp =η-C5H5, R = SiMe3)." J. Chem. Soc., Chem. Commun. 6 (1987): 421-422.

Bott, Simon, et al. "Bis(trimethylsilyl)phosphinodithioformates, the Phosphorus Analogues of Dithiocarbamates; X-ray Structure of [Zr(cp)2(Cl)(η2-S2CPR2)] and Its Thermolysis Product [{Zr(cp)2(µ-S)}2](cp =η-C5H5, R = SiMe3)." J. Chem. Soc., Chem. Commun. 6 (1987): 421-422.