00595nam a2200229Ia 4500008004100000020001800041040000600059041001200065082001100077082001100088100002100099100001700120245005400137245001700191260001100208260003100219260000900250300005500259300001000314501002500324650001600349141004s9999    xx            000 0 und d  a90 247 3683 8  ca  aEnglish  a338.16  bSUN/OP  aCR   Silversides  aU   Sundberg  aOperational efficiency in forestry Vol.1 Analysis  cU   Sundberg  aBoston  bKluwer academic publishers  c1988  a219 p.                                              b24 cm  a3A2                   aEngineering