1. http://www.axustech.com/newsletter-archive/icpt-honors-dr-klaus-beyer-for-cmp-discovery.
2. Milestones in a Quarter Century of CMP - Plenary
3. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7411946.
4. Babu S. , Advances in Chemical Mechanical Planarization (CMP), Woodhead Publishing, (2016).