Zemes un vides zinātnes: Humusvielas un to vieta vidē - Latvijas Universitāte (My University, 2005)
Earth and Environment Sciences: Character of natural organic matter and its role in the environment
Humusvielas un to vieta vidē. Character of natural organic matter and its role in the environment
Keywords: Augsnes zinātne; Humusvielas; Vide; Soil science; Humic; Environment