IEEE Xplore Digital Library
IEEE and IEE'in more than 120 magazines, 900 standard and 400-year conference report until the 1950's 1.2 million documents. From 1963 to 1987, more than 12,000 documents in the Proceeding of the IEEE, and the first in 1913, were included in all issues starting with the Proceeding of the Institute of Radio Engineers.