00719oam 2200169z- 450 9910693559403321(CKB)4330000001767502(EXLCZ)99433000000176750220230503c2005uuuu -u- -engAppropriate and effective use of security technologies in U.S. schools : a guide for schools and law enforcement agenciesWashington, DCUnited States. Dept. of EnergyAppropriate and effective use of security technologies in U.S. schools BOOK9910693559403321Appropriate and effective use of security technologies in U.S. schools : a guide for schools and law enforcement agencies3183395UNINA