80 元券Countermeasures9783838313443BluetoothSecurity¥9650去看看上海外文图书音像专营店发布了按需印刷Security Threats and Countermeasures in Bluetooth-Enabled Systems[9783838313443]25 元券Countermeasures9783838313443BluetoothSecurity¥9330去看看澜瑞图书专营店发布了【4周达】Security Threats and Countermeasures in Bluetooth-Enabled Systems [9783838313443]