@Book{OL24219866M,
    title: {The slave},
    author: {Isaac Bashevis Singer},
    publisher: {Avon},
    year: {1964},
    place: {New York},
}

@Author{OL137147A,
    name: {Isaac Bashevis Singer},
    birth_date: {November 21, 1902}
    , death_date: {July 24, 1991}
}