Szekessy Vilmos (szerk.): A Magyar Természettudományi Múzeum évkönyve 62. (Budapest 1970)

Kováts, D.: Quantitative xylotomic investigations on the xylem of our home ash trees

Fig. 7. Correlation between growth ring width and fibre length. Fraxinus ornus L. (Mts. Pilis).' — Accessory graph for the co- and counterdecurrence of the tension and pression wood graphs. — r.c. = rate of co-decurrence, — A.c. = heterogeneity of counterdecurrences