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Possanza, Fabio; Vecchi, Andrea; Conte, Valeria; Floris, Barbara; Galloni, Pierluca . (2017). 5,10,15,20-Tetrakis(1′-acetylferrocenyl)porphyrin: Electronic and structural effects of acetyl group on TFcP. Journal of Porphyrins and Phthalocyanines, (), 1–10. doi:10.1142/S1088424617500468 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research