Declaration of the 14th CGPM (1971)
Pascal and siemens
The 14th Conférence Générale des Poids et Mesures adopted the special names “pascal” (symbol Pa), for the SI unit newton per square metre, and “siemens” (symbol S), for the SI unit of electric conductance [reciprocal ohm].
DOI : 10.59161/CGPM1971DECLE
The reader should note that the official version of this Resolution is the French text