- Anaerobic technology for treatment of concentrated wastewater from Estonian food industryMölder, Heino; Blonskaja, ViktoriaKalmar ECO-TECH'99 : Seminar on Ecological Technology and Management : September 22 to 24, 1999, Kalmar, Sweden. Volume 21999 / [10] p.: ill https://open.lnu.se/index.php/eco-tech/article/view/1679