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EVS-ISO 9613-2:2006 Akustika : heli sumbumine välistingimustes leviku korral. Osa 2, Üldine arvutusmeetod = Acoustics : attenuation of sound during propagation outdoors. Part 2, General method of calculation (ISO 9613-2:1996, identical)
Towards a resilient ecosystem of the Baltic Sea Edgars Bojārs, Anda Ruskule, Vivi Fleming-Lehtinen, Eija Rantajärvi, Merle Kuris, Lauri Klein, Georg Martin, Johan Näslund, Frida Fyhr, Andris Urtāns