Böhmer, R., Chamberlin, R. V., Diezemann, G., Geil, B., Heuer, A., Hinze, G., et al. (1998). Nature of the Non-exponential Primary Relaxation in Structural Glass-formers Probed by Dynamically Selective Experiments. Journal of Non-Crystalline Solids, 235-237, 1-9.