@book{ Solr-55168, title = {Optika geometrikoa : ariketa (II) / [Fisikasi]}, series = {Fisikasi (Youtube kanala)}, address = {S.l.}, publisher = {Fisikasi}, year = {2021}, url = {https://youtu.be/BAQMm6cpXJE} url = {https://www.youtube.com/c/Fisikasi/videos} }