BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Chuang, Yu-Min P Principal Lin, Yi-Bing P Principal Lee, Tzung-Yuan P Principal Trading CDPD availability and voice blocking probability in cellular networks. 12 pp. 48-55