Pomološke i nutritivne značajke ploda sorti lijeske (Corylus spp.) uzgajanih u agroekološkim uvjetima Orahovice : doktorska disertacija = Pomological and nutritive characteristics of hazelnut varieties (Corylus spp.) cultivated in Orahovica agro-ecological conditions : Ph. D. Thesis - Vujević, Predrag (P. Vujević, 2011)