The implementation and experiences of a structure-oriented text editor. - Ola Strömfors; Lennat Jonesjö (SIGPLAN SIGOA Symposium on Text Manipulation, 1981)

Stepwise structuring: a style of life for flexible software. - Erik Sandewall; Sture Hägglund; Christian Gustafsson; Lennat Jonesjö; Ola Strömfors (AFIPS National Computer Conference, 1983)