Maria Chroni, Stavros D. Nikolopoulos. Multiple encoding of a watermark number into reducible permutation graphs using cotrees. In Boris Rachev, Angel Smrikarov, editors, 2012 Conference on Computer Systems and Technologies, CompSysTech'12, Ruse, Bulgaria, June 22-23, 2012. pages 118-125, ACM, 2012. [doi]
Abstract is missing.