00402nam a2200133Ia 4500008004100000082001700041100001600058245003700074260005700111300000800168650004100176650003400217653001700251170901s1988    xx            000 0 und d  a634.95bN37E  aNegi, S. S. 0aElements of General Silviculture  aDehra DunbInternational Book Distributing Co.c1988  a312  aAgriculture and related technologies  aTechnology (Applied sciences)  aSilviculture