00336nam a2200109Ia 4500082001900000100004800019245005400067260003400121300002900155500000500184700003700189  a333.75bJ65.EF  aJohansson, Per-Olov and Lofgren Karl-Gustaf  aThe economics of forestry and natural resourcesb  aOxfordbBasil Blackwellc1985  axiii, 292p. Index, Bibl.  a  aLofgren, Karl-Gustaf ; jt. auth.