Tests and Proofs 9th International Conference, TAP 2015, Held as Part of STAF 2015, L’Aquila, Italy, July 22-24, 2015. Proceedings / / edited by Jasmin Christian Blanchette, Nikolai Kosmatov. // Springer eBooks. URL: http://dx.doi.org/10.1007/978-3-319-21215-9