Mechanisms operating in metals at elevated temperatures : proceedings of the eighth Sagamore Ordnance Materials Research Conference : conducted at Sagamore Conference Center, Raquette Lake, New York, August 22, 23, 24, and 25, 1961 - Sagamore Army Materials Research Conference (8th : 1961 : Raquette Lake, N.Y.); United States. Ordnance Materials Research Office; Syracuse University. Research Institute (Syracuse University Research Institute, 1961)