@Book{OL3966475M,
    title: {The Visual Display of Quantitative Information},
    author: {Edward R. Tufte},
    publisher: {Graphics Press},
    year: {2001},
    place: {Cheshire, Conn},
}

@Author{OL421269A,
    name: {Edward R. Tufte},
    birth_date: {1942}
}