1. ARGUS Collab., H. Albrecht et al., preprint DESY-87/029;
2. talk presented Intern. Symp. on the Fourth family of quarks and leptons;Albrecht,1987
3. talk presented Madison SSC Workshop from colliders to super colliders;Orr,1987
4. Upper limit on B00 mixing in e+e− annihilation at 29 GeV
5. J. Ellis, J.S. Hagelin and S. Rudaz, preprint CERN-TH.4679/87.