@misc{2021-library-Xi,
 day = {23},
 kind = {library},
 month = sep,
 note = {rev 5duAPnynKhvSA5r8p4mgqLsmzjmJvJ},
 title = {Xi},
 version = {rev 5duAPnynKhvSA5r8p4mgqLsmzjmJvJ},
 year = {2021}
}