Peter M. Fenwick. PPM compression without escapes. Software: Practice and Experience, 42(2):255-260, 2012. [doi]
@article{Fenwick12, title = {PPM compression without escapes}, author = {Peter M. Fenwick}, year = {2012}, doi = {10.1002/spe.1070}, url = {http://dx.doi.org/10.1002/spe.1070}, researchr = {https://researchr.org/publication/Fenwick12}, cites = {0}, citedby = {0}, journal = {Software: Practice and Experience}, volume = {42}, number = {2}, pages = {255-260}, }