Resolution 1 of the 17th CGPM (CGPM, 1983), retrieved from BIPM database (BIPM, n.d.) on 24 August 2008.
Resolution 1 of the 17th CGPM (المؤتمر العام للأوزان والمقاييس, 1983), retrieved from المكتب الدولي للأوزان والمقاييس database (BIPM, n.d.) on 24 August 2008.