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1by Dimitrov, S. (Ministerstvo Lesnoj i Derevoobrabatyvayushchej Promyshlennosti (Bulgaria)), Joint FAO/ECE/ILO Committee on Forest Working Techniques and Training of Forest Workers, Geneva (Switzerland) eng, Seminar on Techniques and Machines for the Rehabilitation of Low-Productivity Forest eng 18-21 May 1984 Izmir-Cesme (Turkey), Comite Mixte FAO/CEE/OIT des Techniques de Travail en Foret et de la Formation des Ouvriers Forestiers, Geneva (Switzerland) fre, Seminaire sur les Techniques et les Machines a Employer pour Regenerer les Forets de Faible Productivite fre 18-21 May 1984 Izmir-Cesme (Turkey), Seminar po Mashinam i Metodam, Primenyaemym v Tselyakh Vosstanovleniya Nizkoproduktivnykh Lesov eng 18-21 May 1984 Izmir-Cesme (Turkey)
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