TY - GEN AU - Bredtmann,Timm AU - Ivanov,Misha AU - Dixit,Gopal TI - X-ray imaging of chemically active valence electrons during a pericyclic reaction SN - 2041-1723 PY - 2015///0604 N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1038/ncomms6589 ER -