Packet Switch Stream (English Wikipedia)

Kirstein, Peter T. (2009). "The early history of packet switching in the UK". IEEE Communications Magazine. 47 (2): 18–26. doi:10.1109/MCOM.2009.4785372. S2CID 34735326.
Kirstein, P.T. (1999). "Early experiences with the Arpanet and Internet in the United Kingdom". IEEE Annals of the History of Computing. 21 (1): 38–44. doi:10.1109/85.759368. S2CID 1558618.
Radu, Roxana (2019). "Revisiting the Origins: The Internet and its Early Governance". Negotiating Internet Governance. pp. 43–C3.N23. doi:10.1093/oso/9780198833079.003.0003. ISBN 978-0-19-883307-9.
Smith, Edward; Miller, Chris; Norton, Jim (2023). "Evolving and Exploiting Packet Switched Networks". SSRN Electronic Journal. doi:10.2139/ssrn.4595785. ISSN 1556-5068.

npl.co.uk (Global: low place; English: low place)

Smith, Ed; Miller, Chris; Norton, Jim (2017). "Packet Switching: The first steps on the road to the information society". National Physical Laboratory.

Bright, Roy D.; Smith, Michael A. (1973). "EXPERIMENTAL PACKET SWITCHING PROJECT OF THE UK POST OFFICE". Proceedings of the NATO Advanced Study Institute on Computer Communication Networks. Sussex, United Kingdom: Noordhoff International Publishing. pp. 435–44. Archived from the original on 2013-10-20. Retrieved 2013-08-30.
Pearson, DJ; Wilkin, D (1974). "Some Design Aspects of a public packet switching network". Proceedings of the 2nd ICCC 74. pp. 199–213. Archived from the original on 2013-10-20. Retrieved 2013-08-30.

Kirstein, Peter T. (2009). "The early history of packet switching in the UK". IEEE Communications Magazine. 47 (2): 18–26. doi:10.1109/MCOM.2009.4785372. S2CID 34735326.
Kirstein, P.T. (1999). "Early experiences with the Arpanet and Internet in the United Kingdom". IEEE Annals of the History of Computing. 21 (1): 38–44. doi:10.1109/85.759368. S2CID 1558618.

Bright, Roy D.; Smith, Michael A. (1973). "EXPERIMENTAL PACKET SWITCHING PROJECT OF THE UK POST OFFICE". Proceedings of the NATO Advanced Study Institute on Computer Communication Networks. Sussex, United Kingdom: Noordhoff International Publishing. pp. 435–44. Archived from the original on 2013-10-20. Retrieved 2013-08-30.
Pearson, DJ; Wilkin, D (1974). "Some Design Aspects of a public packet switching network". Proceedings of the 2nd ICCC 74. pp. 199–213. Archived from the original on 2013-10-20. Retrieved 2013-08-30.

Purton, Peter (October 11, 1999). "Rapid Development of the Net Forces BT to Adjust Its Plans". The Wall Street Journal.