1. The Interaction of Pions with Nuclei
2. D.S. Koltun, Fourth Int. Conf. on High-Energy Physics and Nuclear Structure (Dubna, U.S.S.R., September, 1971).
3. M.P. Locher, Spring School on Pion Interactions at Low and Medium Energies (Zuoz, Switzerland, March, 1971) CERN 71–14; August 4, 1971.
4. M.P. Locher, Proc. Int. Seminar on Pion-Nucleus Interactions (Strasbourg, France, September, 1971).
5. C. Wilkin, Spring School on Pion Interactions at Low and Medium Energies (Zuoz, Switzerland, March, 1971) CERN 71-l4; August 4, 1971.