@article{Kre20c, author = {Kreowski, H.-J. and Kuske, S.}, title = {Modeling and Analyzing Graph Algorithms by Means of Graph Transformation Units}, journal = {Journal of Object Technology}, year = {2020}, volume = {19}, number = {3}, doi = {10.5381/jot.2020.19.3.a9}, pages = {1-14} }