Roncken, Marly; Sutherland, Ivan: 'Design and test of high-speed asynchronous circuits' (Materials, Circuits and Devices, 2019), 'Asynchronous Circuit Applications', Chap. 7, pp. 113-171, DOI: 10.1049/PBCS061E_ch7
IET Digital Library, https://digital-library.theiet.org/;jsessionid=11cxcd49iijb2.x-iet-live-01content/books/10.1049/pbcs061e_ch7