Spatial Variability of Small-leaved Linden (Tilia cordata Mill.) Leaf Blade Sergey G. Baranov, Igor E. Zykov, Elena Yu. Poloskova, Irina N. Lipponen, Oxana A. Goncharova and Darya D. Kuznetsova E3S Web Conf., 254 (2021) 06002 Published online: 05 May 2021 DOI: 10.1051/e3sconf/202125406002