The last year conference proceedings — the research papers in English — are published by IEEE digital library: http://ieeexplore.ieee.org/search/searchresult.jsp?newsearch=true&queryText=cee-secr+2011

Just a reminder, that this year the best research paper in software engineering will be awarded 1000 Euro; the award was established by Bertrand Meyer.
To participate, please submit an extended abstract by 30th of June.

For more information please refer to: http://2012.secrus.org/news/cee-secr-2012-bertrand-meyers-best-research-paper-award