Bruna, Pablo J.; Grein, Friedrich; Passmore, Jack (2011). "Density functional theory (DFT) calculations on the structures and stabilities of [CnO2n+1]2– and [CnO2n+1]X2 polycarbonates containing chainlike (CO2)n units (n = 2–6; X = H or Li)". Canadian Journal of Chemistry. 89 (6): 671–687. Bibcode:2011CaJCh..89..671B. doi:10.1139/v11-039.
Lewars, Errol (1996). "Polymers and oligomers of carbon dioxide: ab initio and semiempirical calculations". Journal of Molecular Structure: THEOCHEM. 363 (1): 1–5. doi:10.1016/0166-1280(95)04420-5.
Bruna, Pablo J.; Grein, Friedrich; Passmore, Jack (2011). "Density functional theory (DFT) calculations on the structures and stabilities of [CnO2n+1]2– and [CnO2n+1]X2 polycarbonates containing chainlike (CO2)n units (n = 2–6; X = H or Li)". Canadian Journal of Chemistry. 89 (6): 671–687. Bibcode:2011CaJCh..89..671B. doi:10.1139/v11-039.