The active badge location system (Q56453545)
Language:
(P31) (Q13442814)
(P304) 91-102
(P433) 1
(P478) 10
(P577) Thursday, January 2, 1992
(P1433) (Q2076182)
(P1476) "The active badge location system" (language: en)
(P2093) Roy Want
Andy Hopper
Veronica Falcão
Jonathan Gibbons