Academia Republicii Socialiste România
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by:
Barbolovici, Vasile Alexandru
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by:
Făgetele Carpatine : Semnificaţia Lor Bioistorică Şi Ecoprospectivă. Simpozion (30-31 Mai 1979)
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by:
Ocrotirea Naturii Maramureşene : Conservarea Naturii Pe Baze Ecologice În Judeţul Maramureş. Simpozion (7-14 August 1977. Cluj-Napoca)
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by:
Secţiunea De Istorie Şi Filosofie A Academiei R. P. R.
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