J. S.  Ponniah, Barik, S. Kumar, Borthakur, R., Thakur, A., Garai, B., Janaa, S., and Ghosh, S., ?Unprecedented ferrocene-quinoline conjugates: facile proton conduction via 1D helical water chains and a selective chemosensor for Zn(II) ions in water?, RSC Advances, vol. 5, no. 20, pp. 15690-15694, 2015.