Liutkevicius A, Vrubliauskas A, Kazanavicius E. Assessment of Dongle-based Software Copy Protection Combined with Additional Protection Methods. ELEKTRON ELEKTROTECH [Internet]. 2011Jun.8 [cited 2024Nov.21];112(6):111-6. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/459