@article{sel936,
    author = {Takako Nakatani and Shozo Hori and Keiichi Katamine and Michio Tsuda and Toshihiko Tsumaki},
    title = {{Estimation of the Maturation Type of Requirements from Their Accessibility and Stability}},
    journal = {IEICE Transactions of Information and Systems, Vol. E97-D, No. 5, pp. 1039-1048, May, 2014},
    year = 2014,
    month = may,
}