[1] Pletenac, L., Klasifikacija cirkularnih tvorevina pomoću računara prema vrsti izvođenja, magistarski rad, [Classification of circular figures with computer support according to the type of derivation], Beograd, 1990.
[2] Pletenac, L., Quartic Curves in P2 constructed by adding two Conics, Slov. časopis pre geometriu a grafiku 6(11) (2009), 39-48.
Croatian scientific bibliography