Počet záznamov: 1
Professional foresters and the land ethics
- BROWN, G. - HARRIS, CH. Professional foresters and the land ethics. In Journal of forestry. - Bethesda : Society of American Foresters, 1998. ISSN 0022-1201, 1998, roč. 96, č. 1, s. 4-12.
Počet záznamov: 1