Meeting of the IEEE Holm Conference on Electric Contact Phenomena,IEEE Holm Conference on Electric Contact Phenomena.IEEE Holm Conference on Electric Contact Phenomena (31st : 1985)：Electrical contacts 1985.IEEE,1985.
Meeting of the IEEE Holm Conference on Electric Control Phenomena.Meeting of the IEEE Holm Conference on Electric Contact Phenomena (32nd :1986)：Electrical contacts.IEEE,1986.
