Insect associates of Populus nigra - a methodological approach

by Tuba, Katalin, Lakatos, Ferenc
Source: 1. Insects and fungi in storm areas 1. Zvolen : Národné lesnícke centrum - Lesnícky výskumný ústav, 2009 1. 9788080931001 1. S. 160-162

New method of swing observation to determine accurate plummet position at the plumb line for both connecting surveys and orientation measurements

by Černota, Pavel, Staňková, Hana, Gašinec, Juraj, Labant, Slavomír
Source: 1. Acta Montanistica Slovaca 1. Roč. 19, č. 4 (2014), s. 221-227 1. 1335-1788