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4by Abol', P.I., FAO, Rome (Italy) eng, Symposium on Techniques and Mechanization of Reforestation in Mountainous Regions eng 8 Jun 1978 Sofia (Bulgaria), Sannikov, V.I., United Nations, Geneva (Switzerland). Economic Commission for Europe eng, International Labour Organisation, Geneva (Switzerland) eng
Published AprTexto bibliotecaFAO IT -
5by Abol, P.I., Ob'edinennyj Komitet po Tekhnologii, Upravleniyu i Podgotovke Rabotnikov v Lesnom Sektore, Geneva (Switzerland) rus, Seminar po Ispol'zovaniyu Mnogotselevykh Machin i Oborudovaniya na Lesozagotovitel'nykh Rabotakh rus 22-28 Aug 1993 Olenino (Russian Federation)
Published JunTexto bibliotecaFAO IT