Jürgen Bierbrauer Jessica J. Fridrich Constructing Good Covering Codes for Applications in Steganography. 1-22 2008 3 T. Data Hiding and Multimedia Security http://dx.doi.org/10.1007/978-3-540-69019-1_1 journals/tdhms/2008-3 db/journals/tdhms/tdhms3.html#BierbrauerF08