Hummel F C Ed. Forest policy A contribution to resource development Hummel F C Ed. - The Hague Martinus Nijhoff /Dr. W.Junk Publishers 1984 - xv,310p. cm. - Foresiry sciences ,12 . Bib chapterwise Source: General Book Subjects--Topical Terms: Agricultural Geography Dewey Class. No.: U672(JB), M4