TY - GEN AU - Köster,Andreas M AU - Calaminici,Patrizia AU - Geudtner,Gerald AU - Gómez-Sandoval,Zeferino TI - Separation of sigma and pi energies SN - 1089-5639 PY - 2007///0717 N1 - Publication Type: Journal Article UR - https://doi.org/10.1021/jp045636h ER -