@article{Vandendriessche_2014,
title={W.W. Rouse Ball and the mathematics of string figures},
volume={41},
ISSN={0315-0860},
url={http://dx.doi.org/10.1016/j.hm.2014.06.003},
DOI={10.1016/j.hm.2014.06.003},
number={4},
journal={Historia Mathematica},
publisher={Elsevier BV},
author={Vandendriessche,
Eric},
year={2014},
month=nov,
pages={438–462} }