@book{knuth,
    author        = {Knuth, Donald E.},
    title         = {The Art of Computer Programming},
    subtitle      = {Fundamental Algorithms},
    volume        = {1},
    publisher     = {Addison-Wesley},
    location      = {Reading, Massachusetts},
    edition       = {3},
    year          = {1997}
}
 
@online{scheme,
    author        = {Shinn, Alex and Cowan, John and Gleckler, Arthur A.},
    title         = {Scheme Reports Process},
    year          = {2013},
    urldate       = {2020-07-13},
    url           = {http://www.scheme-reports.org/}
}