↑(en) The Collected Works of Sir Humphry Davy: Discourses delivered before the Royal society. Elements of agricultural chemistry, pt. I, The Chemical Society (Great Britain), , 32 p..
↑(en) V. E. Bondybey et J. H. English, « Structure of copper oxide (CuO2) and its photochemistry in rare gas matrixes », Journal of Physical Chemistry, vol. 88, no 11, , p. 2247–2250 (DOI10.1021/j150655a014).