1. First evidence for direct CP violation
2. talk at the XIV International Symposium on Lepton and Photon Interactions;Winstein,1989
3. G. Buchalla, A.J. Buras and M.K. Harlander, preprint MPI-PAE/PTh 63/89, TUM-T31-3/89.
4. R.D. Peccei, UCLA/89/tep/34 preprint.