$a International Union of Forestry Research Organizations.
410
2
$a International Union of Forest Research Organisations.
665
$a International Union of Forestry Research Organisations powstał w 1892 z siedzibą w Wiedniu.
670
$a Methodenvergleich der Forstlichen Standorts- und Vegetationskartierung [...] / International Union of Forestry Research Organisations. - Warszawa, 1971.
670
$a Wol'95
670
$a History of forest utilization and forestry in mount regions. - Zürich, 1985. $b (International Union of Forest Research Organisations)