A new aeration and filtration technology for groundwater treatmentMunter, Rein; Ojaste, Heldi; Sutt, JohannesThird International Conference on Oxidation Technologies for Water and Wastewater Treatment - Special Topic: AOP's for Recycling and Reuse : 18-22 May 2003, Goslar, Germany2003 / p. 316-321

A new oxidation/filtration technology for groundwater treatmentMunter, Rein; Ojaste, Heldi; Sutt, JohannesAdvances in Science and Engineering for Industrial Applications of Ozone and Related Oxidants : International Conference : Barcelona, Spain, March 10-12, 2004 : proceedings2004 / p. I.2.7-1 - I.2.7-6 : ill

Aeroobse biopuhasti aktiivmassi adaptsiooni mõju puhasti töö stabiilsuselePikkov, Lui; Kamenev, Inna; Ojaste, Heldi; Kallas, JuhaXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 112-113

Complexed iron and a groundwater treatment technologyMunter, Rein; Ojaste, Heldi; Sutt, JohannesProceedings of the Estonian Academy of Sciences. Chemistry2005 / 3, p. 142-153 : ill

Complexed iron removal from groundwaterMunter, Rein; Ojaste, Heldi; Sutt, JohannesJournal of environmental engineering2005 / 7, p. 1014-1020

Contemporary groundwater treatment technologyMunter, Rein; Ojaste, Heldi; Sutt, JohannesAbstracts of the International Conference "Eco-Balt 2004"2004 / p. 13-15

Orgaanilise ainega seotud raua eraldamine Lääne-Siberis Kogalõmi põhjaveestOjaste, Heldi; Munter, ReinKeskkonnatehnika2004 / 1, lk. 5-8 : ill

Raua eraldamine põhjaveest komplekside tekke tingimustesOjaste, Heldi; Munter, ReinXXVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 27th Estonian Chemistry Days : abstracts of scientific conference2001 / lk. 86-87