• Bio-waste resource for sustainable anaerobic waste treatment solution on Island Saaremaa, EstoniaPitk, Peep; Pürjer, Juhan; Kõrgmaa, Vallo; Vilu, RaivoADSW&EC : International IWA-Symposium on Anaerobic Digestion of Solid Waste and Energy Crops : August 28 - September 1, 2011, Vienna, Austria2011
• Estimating microplastics related to laundry wash and personal care products released to wastewater in major Estonian cities: a comparison of calculated and measured microplasticsAyankunle, Ayankoya Yemi; Buhhalko, Natalja; Pachel, Karin; Lember, Erki; Kõrgmaa, Vallo; Mishra, Arun; Lind, KatiJournal of environmental health science and engineering2023 / p. 225-237 https://doi.org/10.1007/s40201-023-00856-z https://www.scopus.com/sourceid/21100242835 https://www.scopus.com/record/display.uri?eid=2-s2.0-85153058034&origin=inward&txGid=dd0fd9f1b8a17b800b11e1df27de6c63 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20ENVIRON%20HEALTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000972066200001
• Factors affecting performance of municipal wastewater treatment plants = Olmereoveepuhastite tõhusust mõjutavad teguridKõrgmaa, Vallo2020 https://digikogu.taltech.ee/et/Item/0ca84c6c-dde8-44fb-b33c-9b15161eadcc https://www.ester.ee/record=b5391360*est
• Factors affecting SVI in small scale WWTPsKõrgmaa, Vallo; Kriipsalu, Mait; Tenno, Taavo; Lember, Erki; Kuusik, Argo; Lemmiksoo, Vallo; Pachel, Karin; Iital, ArvoWater science & technology Water science and technology2019 / p. 1766–1776 https://doi.org/10.2166/wst.2019.177 https://www.scopus.com/sourceid/19376 https://www.scopus.com/record/display.uri?eid=2-s2.0-85068883881&origin=inward&txGid=68f453fe2392a89b4cdfe8b10140d5c3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=WATER%20SCI%20TECHNOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000474359700015
• Methane potential of sterilized solid slaughterhouse wastesPitk, Peep; Kõrgmaa, Vallo; Vilu, Raivo8th IWA International Symposium on Waste Management Problems in Agroindustries : Çeşme, Turkey2011 https://www.sciencedirect.com/science/article/pii/S0960852412006438
• A novel method for rapid assessment of the performance and complexity of small wastewater treatment plantsKõrgmaa, Vallo; Tenno, Taavo; Pachel, Karin; Iital, ArvoProceedings of the Estonian Academy of Sciences2019 / p. 32-42 : ill https://doi.org/10.3176/proc.2019.1.03 http://www.kirj.ee/public/proceedings_pdf/2019/issue_1/proc-2019-1-32-42.pdf https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85065034894&origin=inward&txGid=d2da8af36d50c69e710c11c5ee536dd0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000458878900004
• Reovee teevad puhtaks õiged seadmed, bakterid ja oskuslik operaator [Võrguväljaanne]Harrik, Airika; Kõrgmaa, Vallonovaator.err.ee2020 / fot https://novaator.err.ee/1214767/reovee-teevad-puhtaks-oiged-seadmed-bakterid-ja-oskuslik-operaator
• Taming nitrate pollution in urban streamKõrgmaa, Vallo; Ruberg, SalmeProceedings 39th IAHR World Congress2022 / p. 1145-1152 https://doi.org/10.3850/IAHR-39WC2521711920221307