Liu, H.-X. et al. 2013. Synthesis and Crystal Structure of tris-(1,10-Phenanthroline)-Iron(II) Dichromate Tetrahydrate, Fe(C12H8N2)3Cr2O7·4H2O. Asian Journal of Chemistry. 25, 6 (Jan. 2013), 3515–3516. DOI:https://doi.org/10.14233/ajchem.2013.13747.