Otto Seppälä, Petri Ihantola, Essi Isohanni, Juha Sorva, Arto Vihavainen. Do we know how difficult the rainfall problem is?. In Päivi Kinnunen, Judy Sheard, editors, Proceedings of the 15th Koli Calling Conference on Computing Education Research, Koli, Finland, November 19-22, 2015. pages 87-96, ACM, 2015. [doi]
Abstract is missing.