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CEN/TR 17614:2021 Standardmeetod reoveepuhastite energiatõhususe hindamiseks ja parandamiseks = Standard method for assessing and improving the energy efficiency of waste water treatment plants
Translator: Maarja Madissoon, Author: Eesti Standardimis- ja Akrediteerimiskeskus
Acta historica Tallinnensia ; 11Eesti Teaduste Akadeemia, Tallinna Ülikool. Ajaloo Instituut, arheoloogia ja kunstiajaloo keskus Tallinna Ülikool. Ajaloo, Tartu Ülikool