'FET and IC Packaging' (Electromagnetic Waves, 1994), 'Microwave Field-Effect Transistors: Theory, design and applications', 3rd ed., Chap. 8, pp. 403-427, DOI: 10.1049/SBEW016E_ch8
IET Digital Library, https://digital-library.theiet.org/;jsessionid=26nrv0vil5eqd.x-iet-live-01content/books/10.1049/sbew016e_ch8