@misc{fractal+analysis+of+the+structure+of+geometrical+surface+after+edm,
    author = {Struzikiewicz, Grzegorz i Magdziarczyk, Wojciech},
    title = {Fractal analysis of the structure of geometrical surface after EDM},
    journal = {Development in Machining Technology - Scientific Research Report, Vol. 2},
    address = {Cracow},
    publisher = {Cracow University of Technology},
    date = {2012}
}