Author: Violina R. Angelova, Sava G. Tabakov, Anton I. Yordanov, Dimitar D. Dimitrov
apples
4. Susceptibility of apple varieties to infestation by aphids (Hemiptera: Aphididae) in Southern Bulgaria
Author: Pavlin Vasilev, Atanaska Stoeva, Adelina Harizanova, Mariya Hristozova