00438nam a2200157Ia 4500008004100000020001800041082001700059100002000076245004600096250000600142260002800148300000800176650004100184650003400225653002100259170901s2012    xx            000 0 und d  a9780415774406  a634.92bW12F  aWagner, John E. 0aForestry EconomicsbA managerial Approach  a1  aLondonbRoutledgec2012  a382  aAgriculture and related technologies  aTechnology (Applied sciences)  aForest economics