@ARTICLE{Semaškienė_Roma_Trends_2008, author={Semaškienė, Roma and Smatas, Remigijus and Kestutis Tamosiunas and Dabkevicius, Zenonas and Lazauskas, Sigitas}, volume={vol. 48}, number={No 3}, journal={Journal of Plant Protection Research}, howpublished={online}, year={2008}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, title={Trends in Aphid Occurrence in Spring Barley in 1976-2007}, URL={http://www.journals.pan.pl/Content/106159/PDF/JPPR_48(3)_02_Smatas.pdf}, doi={10.2478/v10045-008-0036-3}, }