TY - GEN AU - Smedarchina,Zorka AU - Siebrand,Willem AU - Fernández-Ramos,Antonio TI - The rainbow instanton method: a new approach to tunneling splitting in polyatomics SN - 1089-7690 PY - 2013///0305 N1 - Publication Type: Journal Article UR - https://doi.org/10.1063/1.4769198 ER -