A conceptual basis to encode and detect organic functional groups in XML
Journal of Molecular Graphics and Modelling (2013) - Comment
pubmed: 23666030  doi: 10.1016/j.jmgm.2013.04.003  issn: 1873-4243  issn: 1093-3263 

Punnaivanam Sankar, Alain Krief, Durairaj Vijayasarathi