@ARTICLE{2014:IT,
author={Charalambous, T. and Charalambous, C.D. and Rezaei, F.},
journal={IEEE Transactions on Information Theory},
title={Optimal Merging Algorithms for Lossless Codes With Generalized Criteria},
year={2014},
month={Sept},
volume={60},
number={9},
pages={5486--5499},
}