“3.2.1. Synthesis, Crystal and Molecular Structure of Catena-(bis(µ1-Oxalic Acid)-µ3-Hydrogen Oxalate-Di-Aqua-sodium(I))”. Communications in Inorganic Synthesis, vol. 3, no. 2, July 2015, https://doi.org/10.21060/cis.v3i2.2144.