* [https://carinaclaesson.com/2020/01/19/virtual-entities-a-forgotten-feature-which-is-still-alive/ Virtual Entities - Series of 4 Articles] by Carina Claesson 2020-01-19 | * [https://carinaclaesson.com/2020/01/19/virtual-entities-a-forgotten-feature-which-is-still-alive/ Virtual Entities - Series of 4 Articles] by Carina Claesson 2020-01-19 |