The improved hatch cover construction for universal open box-type wagon from the strength and durability point of view / Oleksij Fomin, Juraj Gerlici, Alyona Lovska, Mykola Gorbunov, Kateryna Kravchenko, Pavlo Prokopenko, Vladimir Hauser   .  Manufacturing Technology.Vol. 19, no. 2, strana 216-221.