Laser-based optical techniques for the detection of chemical agents⋆Milan S. Trtica, Bojan Radak, Dubravka Milovanovic, Miroslav Kuzmanovic and Jelena SavovicEur. Phys. J. Plus, 133 7 (2018) 268DOI: https://doi.org/10.1140/epjp/i2018-12145-4