M. R.  Maurya, Sikarwar, S., Joseph, T., and Halligudi, S. B., ?Bis(2-[alpha-hydroxyethyl]benzimidazolato)copper(II) anchored onto chloromethylated polystyrene for the biomimetic oxidative coupling of 2-aminophenol to 2-aminophenoxazine-3-one?, Journal of Molecular Catalysis A - Chemical, vol. 236, no. 1-2, pp. 132-138, 2005.