(Knoxville)International Symposium on Gaseous Dielectrics International Symposium on Gaseous Dielectrics International Symposium on Gaseous Dielectrics. (Lausanne)International symposium on separation Methods The third international symposium on diamond materials The 10th international symposium on faulty toleran (Knoxville)International Conference on Reactor Shielding (paris)International Symposium on non Linear Acoustics International Symposium on Electrets International Symposium on Rock Mechanics