1. Chamberlin, D., et al.: Xml path language (xpath) 2.0 w3c working draft 15, November 2002 (2002)
2. Batory, D., Lofaso, B., Smaragdakis, Y.: JTS: tools for implementing domain-specific languages. In: Proceedings 5th International Conference on Software Reuse, Victoria, BC, Canada, 2–5 1998, pp. 143–153. IEEE, Los Alamitos (1988)
3. Bosch, J.: Delegating compiler objects: Modularity and reusability in language engineering. Nordic Journal of Computing 4(1), 66–92 (1997)
4. Don Chamberlin Mary F. Fernandez Michael Kay Jonathan Robie Jërôme Siméon Anders Berglund, Scott Boag. Xml path language (xpath) 2.0 w3c working draft 15, November 2002 (2002)
5. Clark, J.: Xsl transformations (xslt) version 1.0 w3c recommendation, November 16 (1999)