@article{havran10bidirectional,
   author = {Havran, V. and Filip, J. and Myszkowski, K.},
   title = {Bidirectional Texture Function Compression based on the Multilevel Vector Quantization},
   journal = {Computer Graphics Forum},
   publisher = {The Eurographics Association and Blackwell Publishing},
   volume = {29},
   number = {1},
   year = {2010},
   month = {March},
   pages = {175-190},
   comment = {project page},
   url = {http://library.utia.cas.cz/separaty/2010/RO/filip-bidirectional%20texture%20function%20compression%20based%20on%20multi-level%20vector%20quantization.pdf},
  }