Author: Valentina Valkova, Natalya Petrovska
Issue 33
12. Rhopalosiphum rufiabdominale Sasaki (Hemiptera:Aphididae) on wheat in Bulgaria (Short research notes)
Author: Pavlin Vasilev
Author: Valentina Valkova, Natalya Petrovska
Author: Pavlin Vasilev