Hans-Ulrich Simon. Pattern Matching in Trees and Nets. Acta Informatica, 20:227-248, 1983.
@article{Simon83:1, title = {Pattern Matching in Trees and Nets}, author = {Hans-Ulrich Simon}, year = {1983}, tags = {tree pattern matching, pattern matching}, researchr = {https://researchr.org/publication/Simon83%3A1}, cites = {0}, citedby = {0}, journal = {Acta Informatica}, volume = {20}, pages = {227-248}, }