Manindra Agrawal Ding-Zhu Du Zhenhua Duan Angsheng Li Theory and Applications of Models of Computation, 5th International Conference, TAMC 2008, Xi'an, China, April 25-29, 2008. Proceedings 4978 2008 978-3-540-79227-7 TAMC Lecture Notes in Computer Science Springer db/conf/tamc/tamc2008.html