Role of spectroscopic diagnostics in studying nanosecond laser-plasma interaction Miloš Burger, Dragan Pantić, Zoran Nikolić and Stevan Djeniže Eur. Phys. J. D, 71 5 (2017) 123 Published online: 23 May 2017 DOI: 10.1140/epjd/e2017-70750-5