Stefanatos, Stelios; Gotsis, Antonis G.; Alexiou, Angeliki: 'Effects of densification and randomness of infrastructure deployment in cellular networks' (Telecommunications, 2017), '5G Wireless Technologies', Chap. 5, pp. 147-191, DOI: 10.1049/PBTE069E_ch5 IET Digital Library, https://digital-library.theiet.org/;jsessionid=ah9tkai7it5he.x-iet-live-01content/books/10.1049/pbte069e_ch5