1.
Ritonja J, Petrun M, Cernelic J, Brezovnik R, Polajzer B. Analysis and Applicability of Heffron–Phillips Model. ELEKTRON ELEKTROTECH [Internet]. 2016Aug.9 [cited 2024Dec.22];22(4):3 - 10. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/15905