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- catalog alternative "Geographic problems of the environment.".
- catalog contributor b8601088.
- catalog contributor b8601089.
- catalog created "1975.".
- catalog date "1975".
- catalog date "1975.".
- catalog dateCopyrighted "1975.".
- catalog description "Includes bibliographies.".
- catalog extent "267 p. :".
- catalog hasFormat "Geografski problemi na obkrŭzhavashchata sreda.".
- catalog isFormatOf "Geografski problemi na obkrŭzhavashchata sreda.".
- catalog issued "1975".
- catalog issued "1975.".
- catalog language "Summaries in Russian and English; table of contents also in Russian and English.".
- catalog language "bul ruseng".
- catalog language "bul".
- catalog publisher "Sofii︠a︡ : BAN,".
- catalog relation "Geografski problemi na obkrŭzhavashchata sreda.".
- catalog subject "Ecology Congresses.".
- catalog subject "G56 .N27 1973".
- catalog subject "Geography Congresses.".
- catalog title "Geografski problemi na obkrŭzhavashchata sreda : dokl. ot II nat︠s︡. kongr. na bŭlg. geografi, Varna, okt. 1973 g. / [otgovoren redaktor Kiril Mishev].".
- catalog title "Geographic problems of the environment.".
- catalog type "Conference proceedings. fast".
- catalog type "text".