Adriana Damasceno Adalberto Farias Alexandre Mota A Mechanized Strategy for Safe Abstraction of CSP Specifications. 118-133 2009 SBMF http://dx.doi.org/10.1007/978-3-642-10452-7_9 conf/sbmf/2009 db/conf/sbmf/sbmf2009.html#DamascenoFM09