S. Ceri, S. Comai, E. Damiani, P. Fraternali, S. Paraboschi et al., XML-GL: a graphical language for querying and restructuring XML documents, Computer Networks, vol.31, issue.11-16, 1999.
DOI : 10.1016/S1389-1286(99)00014-6

N. Dershowitz and J. Jouannaud, Handbook of Theoretical computer Science -Rewrite Systems, pp.243-320, 1990.

M. Erwig, Abstract Syntax and Semantics of Visual Languages, Journal of Visual Languages & Computing, vol.9, issue.5, 1998.
DOI : 10.1006/jvlc.1998.0098

B. Johnson and B. Shneiderman, Treemaps: a space-filling approach to the visualization of hierarchical information structures, Proceedings of the 2nd International IEEE Visualization Conference, pp.284-291, 1991.

. Opentext, Near & far designer, 2001.

E. Pietriga and J. Vion-dury, VXT: Visual XML Transformer, Proceedings IEEE Symposia on Human-Centric Computing Languages and Environments (Cat. No.01TH8587), 2001.
DOI : 10.1109/HCC.2001.995300
URL : https://hal.archives-ouvertes.fr/inria-00125477

J. Reckers and A. Schürr, Defining and Parsing Visual Languages with Layered Graph Grammars, Journal of Visual Languages & Computing, vol.8, issue.1, pp.27-55, 1996.
DOI : 10.1006/jvlc.1996.0027

J. W. Thatcher, Tree Automata: An Informal Survey, pp.143-172, 1973.

J. Vion-dury and F. Pacull, A structured interactive workspace for a visual configuration language, Proceedings. 1997 IEEE Symposium on Visual Languages (Cat. No.97TB100180), 1997.
DOI : 10.1109/VL.1997.626569

J. Vion-dury and M. Santana, Virtual images: Interactive visualization of distributed object-oriented systems, OOPSLA'94, 1994.

K. Wittenburg and L. Weitzman, Relational grammars: Theory and practice in a visual language interface for process modeling. AVI '96 International Workshop on Theory of Visual Languages, 1996.