Ai Nhung, Nguyen Thi, et al. “Complexes of SiH22+ With Carbodiphosphorane and Analogues {R(PPh3)2} in Unusual Bonding Mode (E = C, Si, Ge, Sn, Pb)”. <i>Vietnam Journal of Chemistry</i>, vol. 52, no. 2, Sept. 2014, p. 200, doi:10.15625/4881.