Drdla, Pavel. „THE BAR CODES AND THE TECHNOLOGY OF CARGO TRANSPORT SYSTEMS FOR PACKETS AND SMALL INDIVIDUAL PACKAGES IN THE CZECH REPUBLIC". Perner’s Contacts 4, no. 4 (prosinec 29, 2009): 78–83. Viděno duben 28, 2024. https://pernerscontacts.upce.cz/index.php/perner/article/view/1185.