RŮŽIČKA, Radovan, Lenka BARÁKOVÁ and
Petr KLÁN. Photodecarbonylation of Dibenzyl Ketones and Trapping of Radical Intermediates by Copper(II) Chloride in Frozen Aqueous Solutions.
Journal of Physical Chemistry B. USA: The American Chemical Society, 2005, vol. 109, No 19, p. 9346-9353. ISSN 1089-5639.