Rapid seedling obtaining from European ash species Fraxinus excelsior (L.) and Fraxinus angustifolia (Vahl.) Christian Raquininsta, Bernard Jung-Muller, Jean Dufour and Nathalie Frascaria-LacosteAnn. For. Sci., 59 2 (2002) 219-224DOI: https://doi.org/10.1051/forest:2002009