@article{Das_j2021_ijfcs, author = {J{\"{u}}rgen~Dassow}, title = {Further Remarks on the Operational Nonterminal Complexity}, journal = ijfcs, year = {2021}, volume = 32, number = 5, pages = {439--453}, url = {https://doi.org/10.1142/S0129054121410021} }