1. Solid State Journal 1960
2. Laws , D.A. McClure , J. Riordan , M The Silicon Engine: A Timeline of Semiconductors in Computers http://www.computerhistory.org/semiconductor/timeline 2007
3. Norman , R Solid State Switching and Memory Apparatus 1963
4. “Invention of the Integrated Circuit”;Kilby;IEEE Trans. on Electron Devices,July 1976
5. Moore , G Cramming more components onto integrated circuits Electronics 1965