Machado, Gerson A. S. (ed.): 'Low-power HF Microelectronics: a unified approach' (Materials, Circuits and Devices, 1996) DOI: 
IET Digital Library, https://digital-library.theiet.org/;jsessionid=bfgq99ag7k8sd.x-iet-live-01content/books/cs/pbcs008e