Estimation of gap fraction and foliage clumping in forest canopiesKuusk, Andres; Pisek, Jan; Lang, Mait; Märdla, SiljaRemote sensing2018 / art. 1153, 17 p. : ill https://doi.org/10.3390/rs10071153 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Road surface surveying using terrestrial laser scanner and total station technologiesMill, Tarvo; Ellmann, Artu; Uueküla, Katrin; Joala, VahurThe 8th International Conference Environmental Engineering : May 19-20, 2011, Vilnius, Lithuania : selected papers. Volume III2011 / p. 1142-1147 : ill