@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20180119-133708576, title = "2017 IEEE International Ultrasonics Symposium (IUS)", chapter = "Nonlinear effects in NEMS — Improving frequency stability", year = "2017", url = "https://resolver.caltech.edu/CaltechAUTHORS:20180119-133708576", id = "record", isbn = "978-1-5386-3384-7", doi = "10.1109/ULTSYM.2017.8091577" }