Andrzej Ehrenfeucht, Tero Harju, Grzegorz Rozenberg. The Theory of 2-Structures - A Framework for Decomposition and Transformation of Graphs. World Scientific, 1999. [doi]
@book{0025562, title = {The Theory of 2-Structures - A Framework for Decomposition and Transformation of Graphs}, author = {Andrzej Ehrenfeucht and Tero Harju and Grzegorz Rozenberg}, year = {1999}, url = {http://www.worldscibooks.com/mathematics/4197.html}, tags = {graph transformation, graph-rewriting, rewriting, transformation}, researchr = {https://researchr.org/publication/0025562}, cites = {0}, citedby = {0}, publisher = {World Scientific}, isbn = {978-981-02-4042-4}, }