00286nam a2200097Ia 450000500170000000800410001705000200005810000170007824500540009526000390014920251229192526.0251229s9999    xx            000 0 und d  aSD 371 .A6 1960  aAllan, S. W. 3aAn inrtoduction to American Forestry cS. W Allan  aLondonb McGraw-hill Book coc1960