@other{https://resolver.caltech.edu/CaltechTHESIS:01112016-083235093, title = "Determination of electronic energy levels of molecules by 90° low energy electron scattering", url = "https://resolver.caltech.edu/CaltechTHESIS:01112016-083235093", id = "record", doi = "10.7907/T6F4-S527" }