Dinneen, M J., Khoussainov, B., & Nies, A. (2012). Computation, Physics and Beyond: International Workshop on Theoretical Computer Science, WTCS 2012, Dedicated to Cristian S. Calude on the Occasion of His 60th Birthday, Auckland, New Zealand, February 21-24, 2012, Revised Selected and Invited Papers. Berlin, Heidelberg: Springer Berlin Heidelberg.

Computation, Physics and Beyond : International Workshop on Theoretical Computer Science, WTCS 2012, Dedicated to Cristian S. Calude on the Occasion of His 60th Birthday, Auckland, New Zealand, February 21-24, 2012, Revised Selected and Invited Papers / edited by Michael J. Dinneen, Bakhadyr Khoussainov, André Nies . — Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. — Online-Ressource (XIII, 427p. 64 illus, digital). — (Lecture notes in computer science ; 7160). — ISBN 9783642276545