1. Claude Bernard, these proceedings.
2. Steve Sharpe, these proceedings.
3. Kilcup, Sharpe, Gupta and Patel, to appear in Phys. Rev. Lett.
4. Isgur, Maltman, Weinstein and Barnes, “A Potential Contribution to the ΔI = 12 Rule in K → ππ“, UTPT-89-10.