Balkan light 2018 : 7th Balkan conference on lighting. Sofia, Bulgaria. June 4-6, 2018
Balkan conference on lighting 7. June 4-6, 2018 Sofia, Bulgaria
Sofia : Minno-Geoložky Universitet, 2018
ISBN 978-954-353-347-3
zborník (príspevkov)
(3) - článok