- Author: Knud Ejler Løgstrup
- Language: Danish
- Author: Knud E. Løgstrup
- Language: Danish
- Author: Knud Ejler Løgstrup
- Language: Danish
- Year: 1995
System og Symbol
pdf
- Author: Knud Ejler Løgstrup
- Language: Danish
- Year: 1997
- Author: Knud Ejler Løgstrup
- Language: Danish
- Year: 1993
- Author: Knud Ejler Løgstrup, Bjørn Rabjerg, Robert Stern
- Language: English
- Year: 2020
- Author: Knud Ejler Løgstrup, Kees van Kooten Niekerk, K. E. Logstrup
- Language: English
- Year: 2007
