- Author: Asja Szafraniec
- Language: English
- Year: 2007
- Author: Ernst van den Hemel (editor), Asja Szafraniec (editor)
- Language: English
- Year: 2016
- Author: Ernst van den Hemel, Asja Szafraniec, Ernst van den Hemel
- Language: English
- Year: 2016
- Author: Asja Szafraniec
- Language: English
- Year: 2007
- Author: Asja Szafraniec
- Language: English
- Year: 2007