Walters, L. O. Cellular networks: Past, present and future. Crossroads :the ACM student magazine..
Lua i Stíl Chicago (17ú heag.)Walters, Lourens O. "Cellular Networks: Past, Present and Future." Crossroads :the ACM Student Magazine. .
Lua MLA (9ú heag.)Walters, Lourens O. "Cellular Networks: Past, Present and Future." Crossroads :the ACM Student Magazine., .
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