TY - JOUR AU - Lehman, John AU - Migdall, Alan AU - Scherschligt, Julia C2 - Metrologia DA - 2024-04-29 04:04:00 DO - https://doi.org/10.1088/1681-7575/ad40af LA - en M1 - 61 PB - Metrologia PY - 2024 TI - A proposal for three categories of units within the SI UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=957187 ER -