TY - BOOK AU - SHAW Kathryn AU - SCOTT Richard AU - HOLDANOWICZ Grzegorz TI - Sonar sentinels on guard for underwater swimmers PY - 2005/// KW - COUNTERTERRORISM KW - UNDERWATER DETECTION SYSTEMS KW - PORT SECURITY KW - SWIMMER DETECTION KW - SONAR SYSTEMS N2 - Concerns over the vulnerability of ports and coastal infrastructure to terrorist attacks are driving the development of a new generation of sonar systems designed to provide early warning of diver intrusion ER -