1. W.M. Ayers, in ‘Special Publication – Royal Society Chemistry’ 153 (Carbon dioxide Chemistry: Environmental issues), (1994) pp. 365–374
2. M. Ladouceur, G. Bélanger, and A.K. Vijh, Can. Chem. News June (2001) 17
3. R.P.S. Chaplin, The Reduction of Carbon Dioxide to Formate in a Solid Polymer Electrolyte Reactor, PhD thesis, (Exeter University, Exeter, UK, 2001)
4. B.I. Podlovchenko, E.A. Kolyadko, Sh. Lu, Electrokhimiya 30 (1994) 670
5. Ch. Furuya, Chem. Abstr. 121 (1994) 21038a and 124 (1996) 17519c. Japanese patents JP 06 93 485 (1994) and JP 07 258 877 (1994)