00311nam a2200121Ia 4500008004100000082001500041100001900056245003000075260003400105300001000139600001800149650002200167140224s9999    xx            000 0 und d  a634.0.6 K8  aOsmaston, F.C.  aThe Management of forests  aLondonbAllen and Unwinc1968  a384p.  aF.C. Osmaston  aForest Management