Yinchuan Graben, China. Journal of Asian Earth Sciences. Active Tectonics and Meso-Cenozoic Intraplate Deformation in North China Block. 2015-12-15, 114: 155–173
prefixes "may be applied to racemic compounds, as well as pure enantiomers and meso compounds", and that when depicted in the common "zig-zag" representation