The Article

http://eprints.mdx.ac.uk/8098/1/Aubusson-phd..pdf  See p205

IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. SC-13..NO. 1, 1UNE 1978

Wafer-Scale Integration—A Fault-Tolerant Procedure

RUSSELL C. AUBUSSON and IVOR CATT