IEEE 446-1980 RECOMMENDED PRACTICE FOR EMERGENCY AND STANDBY POWER SYSTEMS FOR INDUSTRIAL AND COMMERCIAL APPLICATIONS (IEEE Orange Book (Color Book Series))
1995IEEE 446-1995 Recommended Practice for Emergency and Standby Power Systems for Industrial and Commercial Applications IEEE Orange Book (Color Book Series)
1987IEEE 446-1987 Recommended practice for emergency and standby power systems for industrial and commercial applications
1980IEEE 446-1980 RECOMMENDED PRACTICE FOR EMERGENCY AND STANDBY POWER SYSTEMS FOR INDUSTRIAL AND COMMERCIAL APPLICATIONS (IEEE Orange Book (Color Book Series))