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4by Livanov, A.P., FAO, Rome (Italy) eng, Symposium on Techniques and Mechanization of Reforestation in Mountainous Regions eng 8 Jun 1978 Sofia (Bulgaria), United Nations, Geneva (Switzerland). Economic Commission for Europe eng, International Labour Organisation, Geneva (Switzerland) eng
Published AprTexto bibliotecaFAO IT -
5by Livanov, A.P., FAO/ECE/ILO Joint Committee on Forest Working Techniques and Training of Forest Workers, Geneva (Switzerland) eng, Seminar on the Technology and Mechanization of Logging Operations in Mountainous Regions and Related Environmental Problems eng 2-7 Sep 1985 Krasnodar (USSR)
Published JulTexto bibliotecaFAO IT