id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-4664	Dvořáček, Filip	SURVEY OF SELECTED PROCEDURES FOR THE INDIRECT DETERMINATION OF THE GROUP REFRACTIVE INDEX OF AIR	2018	8	.pdf	application/pdf	5592	331	65	Keywords: group refractive index of air; electronic distance measurement; first velocity correction; laser tracker; Leica AT401. The article does not cover other approaches such as a multi-wavelength interferometry, frequency comb lasers, femto-second lasers etc. which can achieve direct measurement of refractive indices [2].	cache/ap-4664.pdf	txt/ap-4664.txt