HAERTEL, Hermann.
The Worldwide Simplest and Oldest Motor.
<strong>European Journal of Physics Education</strong>, [S.l.], v. 11, n. 1, p. 37-46, jan. 2020.
ISSN 1309-7202.
Available at: &lt;<a href="https://eu-journal.org/index.php/EJPE/article/view/257" target="_new">https://eu-journal.org/index.php/EJPE/article/view/257</a>&gt;. Date accessed: 24 apr. 2024.