The influence of European Union single area payments and less favoured area payments on the Latvian landscape
Nikodemus, Oļgerts, Bell, Simon, Penēze, Zanda, Krūze, Imants
Landscape Ecological Structure in the Eastern Part of the North Vidzeme Biosphere Reserve, Latvia
Tērauds, Aivars, Nikodemus, Oļgerts, Rasa, Inga, Bells, Simons
Peat humification character in two ombrotrophic bogs depending on peat properties
Silamiķele, Inese, Nikodemus, Oļgerts, Kalniņa, Laimdota, Purmalis, Oskars, Kļaviņš, Māris