Structural analysis of sediments from Lake Peipsi, Estonia, by FTIR and Py-GC/MSMakarõtševa, Natalja; Bikovens, O.; Alliksaar, Tiiu; Lepane, ViiaProgramme and Abstracts : 13th Nordic-Baltic IHSS Symposium. The role of natural organic matter in the environment : Oskarsborg, Norway, June 19-22, 20112011 / p. 30