@inbook{1311971, author = {Eite Tiesinga}, title = {Units and constants}, year = {2023}, month = {2023-07-03 04:07:00}, publisher = {Handbook of Atomic, Molecular, and Optical physics, Springer Verlag, New York, NY}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=929304}, language = {en}, }