SPUYBROEK, Lars.
 The Grace Machine: Of Turns, Wheels and Limbs.
<strong>FOOTPRINT</strong>, [S.l.], p. 7-32, apr. 2018.
ISSN 1875-1490.
Available at: &lt;<a href="https://journals.open.tudelft.nl/index.php/footprint/article/view/1971" target="_new">https://journals.open.tudelft.nl/index.php/footprint/article/view/1971</a>&gt;. Date accessed: 24 june 2019.
doi: <a href="https://doi.org/10.7480/footprint.12.1.1971">https://doi.org/10.7480/footprint.12.1.1971</a>.