Previous Article Next Article Table of Contents Science, Vol.273, No.5273, 321-322, 1996 DOI10.1126/science.273.5273.321 Export Citation Cuprates Fall into a Gap Ong NP Keywords:HIGH-TC SUPERCONDUCTIVITY;VALENCE-BOND STATE;YBA2CU3O6+X;CU Please enable JavaScript to view the comments powered by Disqus.