Nut production and industry in Europe, Near East and North Africa : Proceedings of the Expert Consultation on the Promotion of Nut Production in Europe and Near East Regions, 19 - 22 June 1990, Yalova : almond, hazelnut, walnut, pistachio - Menini, U. G.; Ölez, H.; Büyükyılmaz, M.; Özelkök, S. (REUR technical series ;, 1990)