00633nam a2200217 a 450000100080000000500110000800800410001910000260006024500800008626000460016630000090021249000400022165000130026165000120027465000130028665000270029965000250032665300200035165300240037165300200039512916681998-10-06       1983    bl uuuu     u0uu1 u    #d1 aHOFFMAN JUNIOR, B. F.  aManual thinning of northeastern species using conventional cutting methods.  aMaine: University of Maine at Oronoc1983  a13p.  a(Experiment Station Bulletin, 800).  acleaning  afelling  aDesbaste  aExploração Florestal  aOperação Florestal  aCorte de arvore  aForestry operations  aLimpesa de area