Lars-Johan Liman; John Crain, Suzanne Woolf, Bill Manning, Axel Pawlik, Rob Blokzijl, Scott Hollenbeck. Operation of the Root Name Servers (angle) (PDF). Arkivita el la originalo je 2018-08-27. Alirita 2013-01-09.
Lars-Johan Liman; John Crain, Suzanne Woolf, Bill Manning, Axel Pawlik, Rob Blokzijl, Scott Hollenbeck. Operation of the Root Name Servers (angle) (PDF). Arkivita el la originalo je 2018-08-27. Alirita 2013-01-09.