Search for the Lepton Flavor Violating B Decays B0 to mu tau and B0 to e   tau at CLEO2
  Using almost 10 million B Bbar decays produced at CESR, the CLEO collaboration has set the most stringent limits to date on the lepton flavor violating decays B0 to mu(e) tau. 
J.E.Duboscq (for the CLEO Collaboration)