Kucera، Benjamin E.؛ Jilek، Robert E.؛ Brennessel، William W.؛ Ellis، John E. (2014). "Bis(pyrene)metal complexes of vanadium, niobium and titanium: Isolable homoleptic pyrene complexes of transition metals". Acta Crystallographica Section C: Structural Chemistry. ج. 70 ع. 8: 749–753. DOI:10.1107/S2053229614015290. PMID:25093352.
Kucera، Benjamin E.؛ Jilek، Robert E.؛ Brennessel، William W.؛ Ellis، John E. (2014). "Bis(pyrene)metal complexes of vanadium, niobium and titanium: Isolable homoleptic pyrene complexes of transition metals". Acta Crystallographica Section C: Structural Chemistry. ج. 70 ع. 8: 749–753. DOI:10.1107/S2053229614015290. PMID:25093352.