00273nam a2200109Ia 4500008004100000020000600041082001500047100000600062245005900068260002000127300001600147260124s9999    xx            000 0 und d  a0  a355.33 OPE  a_ 0aOperational Security management in violent enviroments  aUSAISbUKc2010  a"300p,25cm"