Warning - the bibtex entry below may be invalid: 
Missing 'booktitle' field 
@inproceedings{Kissinger2009,
  author = "Aleks Kissinger",
  journal = "Lecture Notes in Artificial Intelligence (LNCS/LNAI)",
  title = "Exploring a Quantum Theory with Graph Rewriting and Computer Algebra",
  year = "2009",
}