Dvořáček F. SURVEY OF SELECTED PROCEDURES FOR THE INDIRECT DETERMINATION OF THE GROUP REFRACTIVE INDEX OF AIR. Acta Polytech [Internet]. 2018 Feb. 28 [cited 2025 May 13];58(1):9-16. Available from: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/4664