00350nam a2200121Ia 4500008004100000040001700041082002400058100002100082245005600103260003200159300001300191650002400204190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta634.92bD853F  aDuerr, William A 0aFundamentals of forestry economicscWilliam A Duerr  aNew YorkbMcGraw-Hillc1960  ax, 579p.  aFOREST AND FORESTRY