Rohit Gheyi Tiago Massoni Paulo Borba Augusto Sampaio A Complete Set of Object Modeling Laws for Alloy. 204-219 2009 SBMF http://dx.doi.org/10.1007/978-3-642-10452-7_14 conf/sbmf/2009 db/conf/sbmf/sbmf2009.html#GheyiMBS09