ŞTIUCĂ, Petru; 						RUGINĂ, Cristian; 						VASILESCU, Andrei.
THE BEHAVIOUR OF THE SELF-FOCUSING AND SELF-DEFOCUSING MATERIALS - A REVIEW.
<strong>Romanian Journal of Mechanics</strong>, [S.l.], v. 3, n. 1, p. 50-62, june 2018.
ISSN 2537-5229.
Available at: &lt;<a href="http://www.journals.srmta.ro/index.php/rjm/article/view/69" target="_new">http://www.journals.srmta.ro/index.php/rjm/article/view/69</a>&gt;. Date accessed: 24 may 2026.