@article{HaMaBDStevESteinJChem12,
  title = "Structure-based classification and ontology in chemistry",
  author = "Janna Hastings and Despoina Magka and Colin Batchelor and Lian Duan and Robert Stevens and Marcus Ennis and Christoph Steinbeck",
  year = "2012",
  booktitle = "Journal of Cheminformatics",
  journal = "Journal of Cheminformatics",
  number = "8",
  volume = "4",
}