@INPROCEEDINGS { loetzsch09understanding,
      author = { Loetzsch, Martin and Bleys, Joris and Wellens, Pieter }, 
      title = { Understanding the dynamics of complex lisp programs },
      pages = { 59--69 }, 
      booktitle = { Proceedings of the 2nd European Lisp Symposium },
      year = { 2009 },
      address = { Milano, Italy },
      month = { May } }