"Brigham Young University." . . . . "Library security exit control"@en . . "Library security theft and exit controls"@en . "The film discusses the (1) 3M Theft Detection System, (2) How people try to steal books, and (3) Procedures for stopping theft."@en . . . . . . . "Library security exit controls"@en . . "Explains how electronic security systems in libraries work and shows some of the more common ways a patron might by-pass the system; also emphasizes how careful monitoring can discourage or prevent theft in the library."@en . . . "\"Partial funding for this film, provided by 3M Corporation, Mountain Plains Film Library Corp.\""@en . . . . .