TY - BOOK AU - Duerr,William A. TI - Fundamentals of forestry economics T2 - American forestry series SN - 070179786 U1 - 634.92 22 PY - 1960/// CY - New York PB - McGraw-Hill KW - Forests and forestry KW - Economic aspects KW - Forest management KW - Forest policy N1 - Includes bibliography ER -