@misc{indiciae1ac716906f9f, title = {Excalibur: A Nonparametric, Hierarchical Wavelength Calibration Method for a Precision Spectrograph}, author = {Zhao, Lily L. and Fischer, Debra A. and Hogg, David W. and Bedell, Megan}, year = {2021}, doi = {10.3847/1538-3881/abd105}, url = {https://www.osti.gov/biblio/23159111}, note = {Source identifier: 23159111} }