@mastersthesis{selgraduation48,
    author = {竹内 宏},
    title = {プログラム作成過程の実時間図式化ツールの試作とその実験的評価},
    school = {The University of Osaka},
    address = {Osaka, Japan},
    year = 1991,
    month = feb,
    type = {Graduation Thesis},
}