1. M. Strach, The structure and qualities of silicon steels evaluated on the basis research of model alloys of various silicon and carbon concentration, Ph.D. Thesis, AGH University of Science and Technology, 1995 (supervisor: J. Pacyna).
2. A. Jędrzejewska-Strach, Manganium influence upon the kinetics of phase transformations, structure and qualities of model construction steels alloys, Ph.D. Thesis, AGH University of Science and Technology, 1995 (supervisor: J. Pacyna).
3. M. Dubiel, Phase transformations in model alloys with chromium imitating the matrix of quenched construction and rustless steels, Ph.D. Thesis, AGH University of Science and Technology, 1996 (supervisor: J. Pacyna).
4. New steels of great quenching capacities, great resistance and great fracture toughness;Pacyna;Mater. Eng.,2003
5. Optimization of parameters of initial tempering to increase fracture toughness in high-speed steels;Pacyna,1993