1970 Annual report conference on electrical insulation and dielectric phenomena Annual report conference on electrical insulaition and dielectric phenomena 1980 Conference on Electrical Insulation and Dielectric Phenomena,49th,Boston,1980 Conference on Electrical Insulation and Dielectric Phenomena(1985:Amherst,N.Y.) Conference on Electrical Insulation and Dielectric Phenomena(1983:Claymont,Del.) 1986 annual Report Conference on Electrical Inaulation and Dielectric Phenomena Conference on Electrical Insulation and Dielectric Phenomena,50th,Whitehaven,Pa.1981 Conference on Electrical Insulation and Dielectric Phenomena(1983:Buck Hill Falls,Pa.) COnference on Electrical Insulation and Dielectric Phenomena(1983:Buck Hill Falls,Pa.) Conference on Electrical Insulation and Dielectric Phenomena(1990:Pocono Manor,Pennsylvania)