@article {IOPORT.50026441,
    author       = {Hachimori, Masahiro and Kashiwabara, Kenji},
    title        = {Obstructions to shellability, partitionability, and sequential Cohen-macaulayness},
    year         = {2011},
    journal      = {J. Comb. Theory, Ser. A},
    volume       = {118},
    number       = {5},
    pages        = {1608-1623},
    doi          = {10.1016/j.jcta.2011.01.011},
    identifier   = {50026441},
}