Jiang, L., Yang, B., & Feng, G. (2014). A Novel Mutually Perpendicular Bicyclo-Shape Tetranuclear Complex Constructed from 2,3-Dihydroxy butanedioic Acid with Pisces Mode. Asian Journal of Chemistry, 26(9), 2667–2670. https://doi.org/10.14233/ajchem.2014.15791