008950725s1977 us 000a eng
■00519950725144436
■056 ▼a560.06▼24
■090 ▼a560.06▼bE38i
■110 ▼aElectric Power Research Institute
■24510▼aImprovement of Mechanical and Electrical Strength of Porcelain Insulators▼dElectric Power Research Institute
■260 ▼aCalifornia▼bEPRI▼c1977
■300 ▼a3-111p.▼c26cm
■44000▼aRP424-1