@misc {IOPORT.70217667,
    author       = {Mehta, N. K.},
    title        = {Improved color to gray and back},
    howpublished = {ICWET, 439-442 (2011).},
    year         = {2011},
    doi          = {10.1145/1980022.1980115},
    identifier   = {70217667},
}