• Comparative study of peat composition by using FT-IR spectroscopyKrumins, Janis; Klavins, Maris; Seglins, Valdis; Kaup, EnnScientific journal of Riga Technical University. Material science and applied chemistry = Rīgas Tehniskās universitātes zinātniskie raksti. Materiālzinātne un lietišķā ķimija2012 / p. 106-114 : ill
• Impact of the physico-chemical properties of fen peat on the metal accumulation patterns in mires of LatviaKrumins, Janis; Klavins, Maris; Kalnina, Laimdota; Seglins, Valdis; Kaup, EnnBaltica2016 / p. 19-32 : ill https://doi.org/10.5200/baltica.2016.29.03 https://www.scopus.com/sourceid/57252 https://www.scopus.com/record/display.uri?eid=2-s2.0-84973597828&origin=inward&txGid=6745d4f4c0d45d61ee1577c8d81f3596 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BALTICA&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000379106500003