@inproceedings{Campbell-Plump20a,
  author    = {Graham Campbell and Detlef Plump},
  editor    = {Fabio Gadducci and Timo Kehrer},
  title     = {Confluence up to Garbage},
  booktitle = {Proc.\ 13th International Conference on Graph Transformation ({ICGT} 2020)},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {12150},
  pages     = {20--37},
  year      = {2020},
  doi       = {10.1007/978-3-030-51372-6_2}
}