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- 89172728 contributor B5984272.
- 89172728 contributor B5984273.
- 89172728 created "1987.".
- 89172728 date "1987".
- 89172728 date "1987.".
- 89172728 dateCopyrighted "1987.".
- 89172728 description "Includes bibliographical references (p. 50-58).".
- 89172728 extent "60 p. ;".
- 89172728 isPartOf "Aktivna nauchno-tekhnicheska informat︠s︡ii︠a︡".
- 89172728 issued "1987".
- 89172728 issued "1987.".
- 89172728 language "bul".
- 89172728 publisher "Sofii︠a︡ : Nauchno-tekhnicheski sŭi︠u︡zi,".
- 89172728 subject "Air Pollution Environmental aspects Congresses.".
- 89172728 subject "Forest ecology Congresses.".
- 89172728 subject "Plants Effect of air pollution on Congresses.".
- 89172728 subject "QK751 .V55 1987".
- 89172728 title "Vlii︠a︡nie na promishlenoto zamŭrsi︠a︡vane vŭrkhu gorskite ekosistemi / [Aleksandra Nikolova Uzunova ... et al.].".
- 89172728 type "text".