1. Diffractive Excitation in Quantum Chromodynamics
2. Mueller, A. H. Proceedings of the XVII Rencontre de Moriond, Les Arcs, France. Edited by: Thanh Van, Tranh. pp.13 Editions Frontieres, Gif-sur-Yvette
3. Brodsky, S. J. Proceedings of the XIII International Symposium on Multiparticle Dynamics, Volendam, Netherlands. Edited by: Kittel, E. W., Metzger, W. and Stergion, A. pp.963World Scientific Singapore.