@article {IOPORT.50026110,
    author       = {Chang, Gerard J. and Liu, Daphne Der-Fen and Zhu, Xuding},
    title        = {Distance graphs and T-coloring},
    year         = {1999},
    journal      = {J. Comb. Theory, Ser. B},
    volume       = {75},
    number       = {2},
    pages        = {259-269},
    doi          = {10.1006/jctb.1998.1881},
    identifier   = {50026110},
}