The effect of ecological-sanitation measures on lenght of needles of Norway spruce (Picea abies Karst.) in district forest of the village of Nálepkovo

by Helexová, Andrea, Šomšák, Ladislav, Žarnovičan, Hubert
Source: 1. Ekológia (Bratislava) 1. 1335-342X 1. Roč. 25, č. 4 (2006), s. 412-421