Annamaria Bria Wolfgang Faber Nicola Leone nfn2dlp and nfnsolve: Normal Form Nested Programs Compiler and Solver. 477-482 2009 LPNMR http://dx.doi.org/10.1007/978-3-642-04238-6_45 conf/lpnmr/2009 db/conf/lpnmr/lpnmr2009.html#BriaFL09