TY - GEN AU - Guo,Y AU - Langlois,J M AU - Goddard,W A TI - Electronic structure and valence-bond band structure of cuprate superconducting materials SN - 0036-8075 PY - 2010///0702 N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.239.4842.896 ER -