@inproceedings{DBLP:conf/er/LopezFM12,
  author    = {Lidia L{\'o}pez and
               Xavier Franch and
               Jordi Marco},
  title     = {Specialization in i* Strategic Rationale Diagrams},
  booktitle = {ER},
  year      = {2012},
  pages     = {267-281},
  ee        = {http://dx.doi.org/10.1007/978-3-642-34002-4_21},
  crossref  = {DBLP:conf/er/2012},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
@proceedings{DBLP:conf/er/2012,
  editor    = {Paolo Atzeni and
               David W. Cheung and
               Sudha Ram},
  title     = {Conceptual Modeling - 31st International Conference ER 2012,
               Florence, Italy, October 15-18, 2012. Proceedings},
  booktitle = {ER},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {7532},
  year      = {2012},
  isbn      = {978-3-642-34001-7},
  ee        = {http://dx.doi.org/10.1007/978-3-642-34002-4},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}