International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete (3 : 1989 : Trondheim)

International Conference on the Use of Fly Ash, Silica Fume, Slag, and Other Mineral By-Products in Concrete 1st: 1983, Montebello, Queb́ec; International Conference on the Use of Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete 2nd: 1986, Madrid, Spain