TY - GEN AU - Urahata,Sérgio M AU - Ribeiro,Mauro C C TI - Collective excitations in an ionic liquid SN - 0021-9606 PY - 2007///0726 N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1063/1.2172602 ER -