* [http://www.cpcwiki.eu/index.php/Cirkit_serial_interface Prestel link for Amstrad]
* [http://www.cpcwiki.eu/index.php/Cirkit_Prestel_Link_Amstrad_Interface Prestel interface]
* [https://www.viewdata.org.uk/ Website celebrating Viewdata including Presetl]
[[Category:CPC_related_companies]][[Category:Network]]