C.  Markovic and Stojanovic, A., ?Differences in bark beetle (Ips typographus and Pityogenes chalcographus) abundance in a strict spruce reserve and the surrounding spruce forests of Serbia?, Phytoparasitica, vol. 38, pp. 31-37, 2010.

C.  Markovic and Stojanovic, A., ?Differences in bark beetle (Ips typographus and Pityogenes chalcographus) abundance in a strict spruce reserve and the surrounding spruce forests of Serbia?, Phytoparasitica, vol. 38, pp. 31-37, 2010.