The curves of life; being an account of spiral formations and their application to growth in nature, to science and to art; with
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Isochron 26Al/10Be burial dating of Xihoudu: Evidence for the earliest human settlement in northern China - ScienceDirect
![Isochron 26Al/10Be burial dating of Xihoudu: Evidence for the earliest human settlement in northern China - ScienceDirect Isochron 26Al/10Be burial dating of Xihoudu: Evidence for the earliest human settlement in northern China - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S000355212030073X-gr8.jpg)