Inmaculada Medina-Bulo, Mercedes G. Merayo, Robert M. Hierons: Testing Software and Systems - 30th IFIP WG 6.1 International Conference, ICTSS 2018, Cádiz, Spain, October 1-3, 2018, Proceedings. Lecture Notes in Computer Science 11146, Springer 2018, ISBN 978-3-319-99926-5