@ARTICLE{
author={Kavallieratos Nickolas G,Tomanovic Zeljko M,Sarlis George P,Vayias Basileios J,Zikic Vladimir,Emmanouel Nickolas E},
year={2007},
title={Aphids (Hemiptera : Aphidoidea) on cultivated and self-sown plants in Greece},
journal={BIOLOGIA},
volume={62},
number={3},
pages={335-344},
document_type={Article},
} 

@ARTICLE{
author={Kavallieratos Nickolas G,Tomanovic Zeljko M,Sarlis George P,Fasseas C,Emmanouel Nickolas E},
year={2006},
title={A review of the genus Aphidius Nees in Greece (Hymenoptera : Braconidae : Aphidiinae) with the description of a new species},
journal={JOURNAL OF NATURAL HISTORY},
volume={40},
number={17-18},
pages={1179-1197},
document_type={Review},
} 

@ARTICLE{
author={Kavallieratos Nickolas G,Tomanovic Zeljko M,Athanassiou Christos G,Stary Petr,Zikic Vladimir,Sarlis George P,Fasseas C},
year={2005},
title={Aphid parasitoids infesting cotton, citrus, tobacco, and cereal crops in southeastern Europe: aphid-plant associations and keys},
journal={CANADIAN ENTOMOLOGIST},
volume={137},
number={5},
pages={516-531},
document_type={Article},
} 

@ARTICLE{
author={Kavallieratos Nickolas G,Tomanovic Zeljko M,Stary Petr,Athanassiou Christos G,Sarlis George P,Petrovic Olivera T,Niketic Marjan S,Veroniki MA},
year={2004},
title={A survey of aphid parasitoids (Hymenoptera : Braconidae : Aphidiinae) of Southeastern Europe and their aphid-plant associations},
journal={APPLIED ENTOMOLOGY AND ZOOLOGY},
volume={39},
number={3},
pages={527-563},
document_type={Article},
}