Szymczyk, Elżbieta, 		Jachimowicz, Jerzy, 		Puchała, Krzysztof, AND 		Szymczyk, Wiesław.
" Mass Optimisation of Turbofan Engine Casing Made of Sandwich Structure" <em>Computer Assisted Methods in Engineering and Science</em> [Online], Volume 25 Number 2–3 (2 July 2019)