1. Measurement Uncertainty for Fluid Flow in Closed Circuits;ANSI;ANSI/ASME MFC-2M-1983,1983
2. Measurement Uncertainty;ANSI;ANSI/ASME PTC 19.1-1985,1985
3. Acoustic Monitoring of Processes;Belchamber,1990
4. Integrated Pollution Monitoring;Bigg,1990
5. Valves and actuators changing to meet standards and regulations;Blickley;Control Engineering,1991