TY  - RPRT
TI  - Quadrupole mass filters with octopole fields.
AU  - Chuanfan Ding
AU  - N V Konenkov
AU  - D J Douglas
PY  - 2003
DO  - 10.1002/rcm.1235
UR  - https://pubmed.ncbi.nlm.nih.gov/14608619/
ID  - 14608619
ER  -