Leonor Godinho, Instituto Superior Técnico, Lisbon, Portugal; José Natário, Instituto Superior Técnico, Lisbon, Portugal / 2014-08-07 / Springer International Publishing
Andries E. Brouwer, Eindhoven University of Technology, Eindhoven, Netherlands; Willem H. Haemers, Tilburg University, Tilburg, Netherlands / 2014-03-01 / Springer New York