@Article{577717,
     author = "Jozef Pavelka, Jaroslav Šoltés",
     title = "Metodické materiály Centra edukácie a popularizácie techniky = Design of Methodical Materials for Center of Education and Popularization of Technology ",
     year =  2017,
     volume =  ,
     number =  3(21),
     journal =  Edukacja - Technika - Informatyka,
     pages =  s. 59-66,
    }