Karin Breitman Ana Cavalcanti Formal Methods and Software Engineering, 11th International Conference on Formal Engineering Methods, ICFEM 2009, Rio de Janeiro, Brazil, December 9-12, 2009. Proceedings 5885 2009 http://dx.doi.org/10.1007/978-3-642-10373-5 978-3-642-10372-8 ICFEM Lecture Notes in Computer Science Springer db/conf/icfem/icfem2009.html