PACANA, Jacek - PACANA, Andrzej - BEDNÁROVÁ, Lucia. Improving the quality of machine design, by using the database of standardized elements in the NX system. In Journal of Environmental Protection, Safety, Education and Management. - Bratislava : Slovak Society of Environment, 2015. ISSN 1339-5270, 2015, vol. 3, no. 6, pp. 8-14.