POP, I. F.; PAMFIL, D.; RAICA, P. A.; PETRICELE, I. V.; BOTU, M.; VICOL, A. C.; HARTA, M.; SISEA, C. R. Evaluation of the Genetic Diversity of Several Corylus Avellana Accessions from the Romanian National Hazelnut Collection. Not Bot Horti Agrobo 2010, 38, 61-67.