a Article Collet, G.F. | Lê, C.L. | Nowbuth, L. Comparison of the Easy-to-Root Jork 9 and Cepiland and the Difficult-to-Root EMLA 9 and Lancep "Malus" M9 Rootstocks "in vitro" PDF 1994 - Firenze University Press Fait partie de Advances in horticultural science [rivista dell'ortofloroftutticoltura italiana]. 8 (N.1), 1994
