1. M.D. Todorov, R. Djulgerova, V. Mihailov and J. Koperski, "Procedure for Deconvolution of Time-dependent Signals with Sinusoidal Shape", Proceedings of the 34th Conference on Applications of Mathematics in Engineering and Economics (AMEE 08), Ed. M.D. Todorov, AIP Conf Proc.1067 (Americam Institute of Physics, Melville, NY, 2008) pp. 279-283

2. V. Mihailov, R. Djulgerova, J. Koperski, M. Ruszczak, T. Dohnalik, Z. Petrovic and Z. Lj, "Argon dynamic optogalvanic spectrum in hollow cathode discharge", Publ. Astron. Obs. Belgrade 84 (2008) 335-338

3. R. Djulgerova, V. Mihailov, J. Koperski, M. Ruszczak, T. Dohnalik and Z. Petrovic, "Dynamic optogalvanic Krypton and Neon spectra for 428-451 nm range in hollow cathode discharge", Publ. Astron. Obs. Belgrade 84 (2008) 297-300

4. M. Czajkowski and J. Koperski, "Experimental studies of a double-well potential energy curves theoretically implied as the representation of the lowest molecular Rydberg states of CdRG (RG=Ne,Ar,Kr) diatomic clusters", Fifth Workshop on Atomic, Molecular Physics and Optics, eds. J. Kwela, R. Drozdowski and T. J. Wasowicz, Proc. SPIE Int. Soc. Opt. Eng. 5849 (2005) 70-81 

5. J. Koperski, E. Czuchaj, M. Łukomski, and M. Ruszczak, "Properties of the binding in 12-group homonuclear dimers from excitation and fluorescence spectra", Fifth Workshop on Atomic, Molecular Physics and Optics, eds. J. Kwela, R. Drozdowski and T. J. Wasowicz Proc. SPIE Int. Soc. Opt. Eng. 5849 (2005) 94-103

6. M. Ruszczak and J. Koperski, "Characterization of interatomic potentials of CdRg and Zn₂ molecules produced in supersonic beams", in Proceedings of 13^th International School on Quantum Electronics: Laser Physics and Applications, eds. P. A. Atanasov, S. V. Gateva, L. A. Avramov, and A. A. Serafetinides Proc. SPIE Int. Soc. Opt. Eng. (2005) 241-245

7 J. Koperski, "Characterization of van der Waals Dimers from Analysis of Excitation and Fluorescence Spectra", in 17^th International Conference on Spectral Line Shapes, Ed. E. Dalimier (Editions Frontier Group, Paris, 2004) 29-36.

8. M. Łukomski, J. Koperski, and M. Czajkowski, "Laser spectroscopy of van der Waals molecules in supersonic beam", IV Workshop on Atomic and Molecular Physics, ed. J. Heldt, Proc. SPIE Int. Soc. Opt. Eng. 5258 (2003) 121-125

9. J. Koperski and M. Czajkowski, "Potential energy barriers observed in CdNe and CdAr van der Waals complexes excited to the first E1(³Σ⁺) Rydberg state", IV Workshop on Atomic and Molecular Physics, ed. J. Heldt, Proc. SPIE Int. Soc. Opt. Eng. 5258 (2003) 13-19

10. J. Koperski, M. Łukomski and M. Czajkowski, "Spectroscopic characterization of the X0⁺, A0⁺ and B1 molecular states in the CdXe van der Waals complex", Acta Phys. Polon. B, 33 (2002) 2283-2301

11. J. Koperski, M. Łukomski and M. Czajkowski, "Absorption and fluorescence laser spectroscopy of CdKr molecule in ultraviolet region", in Spectral Line Shapes, Volume 11, 15^th ICSLS, Ed. J. Seidel, AIP Conference Proceedings Vol. 559 (American Institute of Physics, Melville, New York, 2001), pp. 304-306

12. M. Czajkowski and J. Koperski, "Excitation and Fluorescence Spectra of ZnNe and ZnAr Small van der Waals Clusters". in "Laser Spectroscopy XII", Eds. M. Inguscio, M. Allegrini and A. Sasso (World Scientific, Singapore, 1996), pp. 392-393