Xrysovalantis Kavousianos Emmanouil Kalligeros Dimitris Nikolos Test Data Compression Based on Variable-to-Variable Huffman Encoding With Codeword Reusability. 1333-1338 2008 27 IEEE Trans. on CAD of Integrated Circuits and Systems 7 http://dx.doi.org/10.1109/TCAD.2008.923100 db/journals/tcad/tcad27.html#KavousianosKN08