School on Coherent Optics and Holography, International
Coherent Optics and Holography, International School on
Mezhdunarodnai︠a︡ shkola po kogerentnoĭ optike i golografii
International School on Coherent Optics and Holography--Varna '81 (2nd : 1981 : Varna, Bulgaria)
Mezhdunarodnai︠a︡ shkola po kogerentnoĭ optike i golografii--Varna '81 (2nd : 1981 : Varna, Bulgaria)