{"label":"zepto","symbol":"z","scalingFactor":1.0E-21,"exponentMathJx":"$$\\text{10}^{-21}\\ \\ $$","scalingFactorStr":"1e-21","definingResolution":"CGPM19-Res4","doi":"https://doi.org/10.59161/cgpm1991res4e","eventName":"19th meeting of the CGPM","eventDate":"1991-10-04","resNbr":"4","resolutionBody":"CGPM","resolutionType":"Resolution"}