[BTSPEC] Bluetooth Specification Book, Bluetooth SIG.
[BTPROF] Bluetooth Profile Book, Bluetooth SIG.
[RUSL99] The Linux Kernel, Devid Rusling, 1999.
[STEV97] "UNIX Networking Programming, Volume 1: Networking APIs -
Sockets and XTI", 1009 pages, Prentice Hall, October 17, 1997.