@mastersthesis{selgraduation23,
    author = {楠本真二},
    title = {プログラムテキストの変更情報から見たバグとその除去時間の分析},
    school = {The University of Osaka},
    address = {Osaka, Japan},
    year = 1988,
    month = mar,
    type = {Graduation Thesis},
}