% The following entries were provided by Rik Kabel:

@book{dawkins2000unweaving,
    title     = {Unweaving the Rainbow: Science, Delusion and the Appetite for Wonder},
    author    = {Dawkins, R.},
    isbn      = {9780547347356},
    url       = {http://books.google.com/books?id=ZudTchiioUoC},
    year      = {2000},
    publisher = {Houghton Mifflin Harcourt},
    pages     = {145--146},
}

@book{Hofstadter:1985:MTQ:537101,
    author    = {Hofstadter, Douglas R.},
    title     = {Metamagical Themas: Questing for the Essence of Mind and Pattern},
    year      = {1985},
    isbn      = {0465045405},
    publisher = {Basic Books, Inc.},
    address   = {New York, NY, USA},
}

@book{Tufte:1990:EI:78223,
    author    = {Tufte, Edward},
    title     = {Envisioning Information},
    year      = {1990},
    isbn      = {0-9613921-1-8},
    publisher = {Graphics Press},
    address   = {Cheshire, CT, USA},
}