Gil Sanchez, Luis; Contat Rodrigo, Laura; Garcia-Breijo, Eduardo: 'Ion sensors based on organic transistors' (Control, Robotics and Sensors, 2016), 'Organic Sensors: Materials and Applications', Chap. 7, pp. 257-297, DOI: 10.1049/PBCE100E_ch7
IET Digital Library, https://digital-library.theiet.org/;jsessionid=mej5kn5r8hs3.x-iet-live-01content/books/10.1049/pbce100e_ch7