TY - JOUR T1 - The ICE-theory of technical functions JF - Metascience Y1 - 2013 A1 - Weber, Erik A1 - Reydon, Thomas A1 - Boon, Mieke A1 - Houkes, Wybo A1 - Vermaas, Pieter VL - 22 SP - 23–44 ER -