Component: codata_2006_universal
Component: codata_2006_universal_uncertainty
Component: codata_2006_electromagnetic
Component: codata_2006_electromagnetic_uncertainty
Component: codata_2006_atomic_and_nuclear
Component: codata_2006_atomic_and_nuclear_uncertainty
Component: codata_2006_physicochemical
Component: codata_2006_physicochemical_uncertainty