1
Applied Algebra, Algebraic Algorithms and Error-Correcting Codes [E-Book] : 18th International Symposium, AAECC-18 2009, Tarragona, Spain, June 8-12, 2009. Proceedings /
2
Logic-Based Program Synthesis and Transformation [E-Book] : 18th International Symposium, LOPSTR 2008, Valencia, Spain, July 17-18, 2008, Revised Selected Papers /